Hirundo purpurea, _Wils._

[Illustration:

_Birds. Pl. 5._

_Progne modestus._

]

My specimens were obtained at Monte Video, (November) and Bahia Blanca,

39° S. (September) how much further southward this species extends I do

not know. Jardine says, that in North America it migrates during summer

as far as the Great Bear Lake, in Lat. 66° N.; it is mentioned by M.

Audubon, at New Orleans, 30° N., and by Mr. Swainson, at Pernambuco, in

8½° S.; we may, therefore, conclude that it ranges throughout both

Americas, but it is not found in the Old World. Wilson describes this

bird as a great favourite with the inhabitants of North America, both

European and Indian, who erect boxes and other contrivances near their

houses for it to build in. At Bahia Blanca, the females were beginning

to lay in September, (corresponding to our March): they had excavated

deep holes in a cliff of compact earth, close by the side of the larger

burrows inhabited by the ground parrot of Patagonia, (_Psittacara

Patagonica_.) I noticed several times a small flock of these birds,

pursuing each other, in a rapid and direct course, flying low, and

screaming in the manner so characteristic of the English Swift,

(_Hirundo Apus_, Linn.)

2. PROGNE MODESTA. _Gould._

PLATE V.

Hirundo concolor, _Gould_, in Proceedings of the Zoological Society.

_P. nitidè cærulescenti-nigra._

Long. tot. 6 unc.; _alæ_, 5¼; _caudæ_, 2¾; _tarsi_, ½.

The upper and under surface has not so strongly a marked purple shade,

as in the _P. purpurea_. The primaries and feathers of the tail,

however, have a greenish gloss, perhaps slightly more metallic.

Tail not so deeply forked as in _P. purpurea_, which is owing to the

two external feathers on each side not being so much prolonged and

bent outward, as in that species. Nostrils of less size than in the

latter, although the beaks differ but little. Claws and feet are

much less strong, than might have been anticipated, even

proportionally to the less dimensions of this species compared with

the _P. purpurea_.

Inches.

Total length 6

Wings 5¼

Tail 2¾

Tarsi ½

Middle toe from tip of claw to joint ³⁵⁄₁₀₀

Habitat, James Island, Galapagos Archipelago, (_October_).

_Male._

This swallow was observed only on this one island of the group, and it

was there very far from common. It frequented a bold cliff of lava

overhanging the sea. Had not Mr. Gould characterized it as a distinct

species, I should have considered it only as a small variety, produced

by an uncongenial site, of the _Progne purpurea_. I can perceive no

difference whatever from that bird, excepting in its less size,

slenderness of limbs, and less deeply forked tail; and the latter

difference may perhaps be owing to youth.

1. HIRUNDO LEUCOPYGIA. _Licht._

My specimens were obtained at Port Famine, in Tierra del Fuego,

(_February_), and at Valparaiso, in Chile, (_August to September_). At

Port Famine they build in holes in a cliff of earth. Mr. Gould says,

“were it not for the bare legs of this little Martin, I should have some

difficulty in discriminating between it and the one so well known as a

summer visitor in our island.”

2. HIRUNDO FRONTALIS. _Gould._

_H. vertice, plumis auricularibus, dorso et lunulâ pectorali nitidè

cæruleo viridescentibus, notâ albâ supra nares, gulâ corporeque

subtus albicantibus, crisso niveo, alis caudâque fuscis viridi

tinctis, rostro nigro, pedibus intensè fuscis._

Long. tot. 4¾ unc.; _alæ_, 4¾; _caudæ_, 2; _tarsi_, ½.

Upper surface, with a greenish blue metallic gloss; which can faintly

be perceived on the primaries and on the tail feathers. The short

feathers over each nostril white, thus forming two small white

marks; those over the ridge of bill pale brown, giving together the

appearance of a narrow white band over the upper mandible. Entire

under surface and lining of wings pure white. Tarsi rather darker

than in _H. leucopygia_.

Very slightly larger than _H. leucopygia_; upper mandible rather

broader.

Inches.

Total length 4¾

Wings 4¾

Tail 2

Tarsi ½

Habitat, Monte Video, (_November_).

Mr. Gould says, “this species is closely allied both to the common

martin, and to the last species; from the former bird, however, its bare

legs at once distinguish it, while it differs from the latter in being

rather larger in size, in having an obscure white mark on the forehead,

at the base of the bill, and in having the metallic lustre of the upper

surface deep steel green, instead of purple, which is the prevailing

colour of both _Hirundo leucopygia_ and _H. urbica_.”

It is abundant on the northern bank of the Plata, and more common than

the _H. purpurea_, which frequents the same localities. It probably

replaces on the eastern side of the continent, the _H. leucopygia_ of

Chile.

3. HIRUNDO CYANOLEUCA. _Vieill._

It is nearly allied to the two latter species, but is readily

distinguished from them by the absence of the white rump. I procured

specimens in September, both from Valparaiso, and from Bahia Blanca

(North Patagonia). At the latter place it built in holes in the same

bank of earth with _P. purpurea_.

CYPSELUS UNICOLOR. _Jard._

C. unicolor. _Jard. et Selby_, Illust. Ornith. pl. 83.

I obtained a specimen of this bird from St. Jago, Cape de Verd Islands.

(_September_).

It more resembled a swallow than a swift in the manner of its flight. I

only saw a few of them. Insects occur so scantily over the bare and

parched plains of basaltic lava, which compose the lower parts of the

island of St. Jago, that it is surprising how these birds are able to

find the means of subsistence.

FAMILY.—HALCYONIDÆ.

HALCYON ERYTHRORHYNCHA, _Gould_, Proc. Zool. Soc. 1837.

Alcedo Senegalensis var. β, _Lath._

In January, during the first visit of the Beagle to St. Jago, in the

Cape de Verd Islands, these birds were numerous. But in our homeward

voyage, in the beginning of September, I did not see a single

individual. As Mr. Gould informs me it is an African species; it is

probably only a winter visitant to this archipelago. It lives in numbers

in the arid valleys in the neighbourhood of Porto Praya, where it may be

generally seen perched on the branch of the castor oil plant. I opened

the stomachs of several, and found them filled with the wing cases of

Orthopterous insects, the constant inhabitants of all sterile countries;

and in the craw of one there was part of a lizard. It is tame and

solitary; its flight is not swift and direct like that of the European

kingfisher. In these respects, and especially in its abundance in dry

rocky valleys where there is not a drop of water, it differs widely from

the habits of the allied genus Alcedo; although certainly it abounded

more in those valleys where streamlets occurred. This Halcyon was the

only brilliantly coloured bird which I saw on the island of St. Jago.

1. CERYLE AMERICANA. _Boie_.

Alcedo Americana, _Gmel._

This Kingfisher is common on the banks of the Parana. It frequents the

borders of lakes and rivers, and sitting on the branch of a tree, or on

a stone, it thence takes short flights, and dashes into the water to

secure its prey. Its manner of flying is neither direct nor rapid, which

character is so remarkable in the flight of the European species; but it

is weak and undulatory, and resembles that of the soft-billed birds. It

often arrests itself suddenly in its course, and hovers over the surface

of the water, preparatory to darting on some small fish. When seated on

a twig it constantly elevates and depresses its tail; and as might have

been expected from its figure, it does not sit in the stiff upright

position so peculiar to the European Kingfisher. Its note is not

unfrequently uttered: it is low, and like the clicking together of two

small stones. I was informed that it builds in trees. The internal

coating of the stomach is of a fine orange colour. Mr. Gould has seen

specimens of this bird from Mexico; it enjoys, therefore, a very wide

range.

2. CERYLE TORQUATA. _Bonap._

Alcedo torquata. _Gmel._

Ispida torquata. _Swain._

This bird is common in the south part of Chile, in Chiloe, the Chonos

Archipelago, and on the whole west coast, as far as the extreme southern

parts of Tierra del Fuego. In these countries, it almost exclusively

frequents the retired bays and channels of the sea with which the land

is intersected; and lives on marine productions. I opened the stomach of

one, and found it full of the remains of crustaceæ, and a part of a

small fish. It occurs likewise in La Plata, and is very common in

Brazil, where it haunts fresh water. It is said (_Dict. Class. d’Hist.

Nat._) to occur in the West Indian islands; it has, therefore, a wider

range (from the equatorial region to the neighbourhood of Cape Horn)

than the _Ceryle Americana_.

FAMILY.—MUSCICAPIDÆ. _Vieill._

SUB-FAM.—TYRANNINÆ. _Sw._

SAUROPHAGUS SULPHURATUS. _Swains._

Lanius sulphuratus. _Gmel._

Tyrannus magnanimus. _Vieill._ Ency. Meth. p. 850.

Tyrannus sulphuratus. _D’Orb. & Lafr._ Mag. de Zool. 1837, p. 42.

The habits of this bird are singular. It is very common in the open

country, on the northern banks of the Plata, where it does not appear to

be a bird of passage. It obtains its food in many different methods. I

have frequently observed it, hunting a field, hovering over one spot

like a hawk, and then proceeding on to another. When seen from a short

distance, thus suspended in the air, it might very readily be mistaken

for one of the rapacious order; its stoop, however, is very inferior in

force and rapidity. At other times the Saurophagus haunts the

neighbourhood of water, and there, remaining stationary, like a

kingfisher, it catches any small fish which come near the margin. These

birds not unfrequently are kept, with their wings cut, either in cages

or in court-yards. They soon become tame, and are very amusing from

their cunning odd manners, which were described to me, as being similar

to those of the common magpie. Their flight is undulatory, for the

weight of the head and bill appears too great for the body. In the

evening the Saurophagus takes its stand on a bush, often by the

road-side, and continually repeats, without change, a shrill and rather

agreeable cry, which somewhat resembles articulate words. The Spaniards

say it is like the words, “Bien te veo” (I see you well), and

accordingly have given it this name.

MUSCIVORA TYRANNUS. _G. R. Gray._

Muscicapa Tyrannus. _Sw._

Tyrannus Savana. _Vieill._ _Bonap._ Am. Orn. pl. 1. f. 1.

This species belongs to Mr. Swainson’s genus Milvulus (more properly

Milvilus,) but which name Mr. G. R. Gray has altered to Muscivora as the

latter was proposed for _Musc. forficata_ as far back as 1801, by

Lacepède.

It is very common near Buenos Ayres; but I do not recollect having seen

many in Banda Oriental. It sits on the bough of a tree, and very

frequently on the ombu, which is planted in front of many of the farm

houses, and thence takes short flights in pursuit of insects. From the

remarkable structure of its tail, the inhabitants of the country call it

scissor-tail; a name very well applied from the manner in which it opens

and shuts the forked feathers of its tail. Like all birds thus

constructed, (of which the frigate bird offers a most striking example),

it has the power of turning very shortly in its flight, at which instant

it opens and shuts its tail, sometimes, as it appears, in a horizontal

and sometimes in a vertical plane. When on the wing it presents in its

general appearance a caricature likeness of the common house swallow

(_Hirundo rustica_). The Muscivora, although unquestionably belonging to

the family of Muscicapidæ manifests in its habits an evident

relationship with birds of the fissirostral structure.

SUB-GEN. PYROCEPHALUS, GOULD.

MUSCICAPA. _Auct._

MUSCIPETA. _Cuv._

TYRANNULA. _Swain._

_Rostrum capite brevius, rectum, depressum, basi setis numerosis

nigris obsessum; mandibulâ superiore emarginatâ, inferiorem

obtegente; naribus rotundatis patulis. Caput subcristatum. Alæ

longæ; remige prima secundum tertiamque longissimas subæquales fere

æquante. Tarsi mediocres, anticè scutellati; digitis lateralibus

inæqualibus, exteriore longiore. Cauda mediocris quadrata._

Mr. Gould observes, that “the males of nearly all the members of this

group (which may be considered either as a distinct genus or sub-genus

of Myiobius), have the crown of the head and greater part of the under

surface scarlet. Four species were obtained.—_Pyrocephalus

parvirostris_, (_Gould_), and _Muscicapa coronata_, (_Auct._), may be

taken as types.

1. PYROCEPHALUS PARVIROSTRIS. _Gould._

PLATE VI.

Le Churrinche, _Azara_. No. 177.

_P. suprà fuscus; capite et subtus nitidè puniceis; rectricibus

exterioribus tectricumque

et secundariorum apicibus griseo-marginatis._

Long. tot. 5⁵⁄₁₂ unc.; _alæ_, 13¹⁄₁₂; _caudæ_, 2⁵⁄₁₂; _tarsi_, ⁷⁄₁₂;

_rost._, ⁶⁄₁₂.

[Illustration:

_Birds. Pl. 6._

_Pyrocephalus parvirostris._

]

[Illustration:

_Birds. Pl. 7._

_Pyrocephalus nanus._

]

Crown of the head, crest, and all the under surface, bright scarlet;

the remainder of the plumage, deep brown; the outer tail-feathers on

each side, and the edges of the secondaries and wing-coverts,

margined with grey.

Habitat, La Plata, (_October._)

This species differs from _Pyr. coronatus_ or _Musicapa coronata_, of

authors, chiefly in its size; in other respects it is very similar. The

admeasurements of the latter, for comparison (as given me by Mr. G. R.

Gray), are: total length, 5 inches and 8 lines; bill, between 9 and 10

lines; wings, 3 inches and 2 lines; tail, 2 inches and 7 lines; tarsi, 7

or 8 lines.

During the summer, this bird was common both near Buenos Ayres and

Maldonado; but at the latter place, I did not see one in the months of

May, June, July, (winter) and therefore, no doubt it is a bird of

passage, migrating southward during the summer from Brazil. The birds of

this and the allied genera, correspond very closely in their habits to

certain of the Sylviadæ of Europe; some of the species frequenting

bushes, like the black-cap, (_Sylvia atricapilla_); others more usually

the ground, as the robin (_Sylvia rubecula_) or hedge-sparrow (_Accentor

modularis_). Another group (_Synallaxis, &c._) represent those European

Sylviæ, which frequent reeds.

2. PYROCEPHALUS OBSCURUS. _Gould._

_P. lividus rufotinctus; præcipuè in fronte ventreque._

Long. tot. 5⁹⁄₁₂ unc.; _alæ_, 3²⁄₁₂; _caudæ_, 2⁵⁄₁₂; _tarsi_, ⁷⁄₁₂;

_rost._, ⁸⁄₁₂.

All the plumage chocolate brown, tinged with red, the latter colour

predominating on the forehead and lower part of the abdomen; bill

and tarsi, black.

A single specimen was obtained, and it would appear to be either an

immature bird or a female.

Habitat, Lima, Peru. (_August._)

3. PYROCEPHALUS NANUS. _Gould._

PLATE VII.

_P. fuscus; rectricum exteriorum marginibus omniumque et sècundariorum

apicibus nitidè griseo-brunneis._

_Femina, brunnea; gutture griseo-albo; corpore subtus pallidè

flavescente; pectoris laterumque plumis in medio brunneo-striatis._

Long. tot. 4¹¹⁄₁₂ unc.; _alæ_, 2²⁄₁₆; _caudæ_, 2²⁄₁₂; _tarsi_, ⁸⁄₁₂;

_rostri_, ⁸⁄₁₂.

_Male._

Crown of the head, crest, and all the under surface, scarlet; back,

wings, and tail, sooty brown; the external margin of the outer tail

feathers, and the tips of all, light greyish brown; bill and tarsi,

black.

_Female._

All the upper surface, wings, and tail, brown; throat, greyish white;

the remainder of under surface, pale buff, the feathers of the chest

and flanks, with an obscure fine stripe of light brown down the

centre.

Habitat, Galapagos Archipelago. (_September._)

There is nothing remarkable in the habits of this bird. It frequents

both the arid and rocky districts near the coast, and the damp woods in

the higher parts of several of the islands in the Galapagos Archipelago.

4. PYROCEPHALUS DUBIUS. _Gould._

_P. minor, lividus; fronte, superciliis corporeque subtus stramineis;

tectricibus stramineo marginatis._

Long. tot. 4¹⁄₁₂ unc; _alæ_, 2³⁄₁₂; _caudæ_, 1⁹⁄₁₂; _tarsi_, ⁷⁄₁₂;

_rost._

Forehead, stripe over the eye, and all the under surface pale buff;

back of the neck and upper surface chocolate brown; greater and

lesser wing coverts margined with buff.

Habitat, Galapagos Archipelago, (_September_).

From the appearance of this bird when alive, although closely resembling

_P. nanus_, I entertained no doubt that it was a distinct species. Mr.

G. R. Gray informs me that there is a specimen of a male in the British

Museum, which differs from the male of the precedent species, in having

the upper colour of a decided brown, and the external margins of the

outer tail feathers and tips of the secondaries rather reddish white;

also in size as stated by Mr. Gould.

MYIOBIUS. _G. R. Gray._

TYRANNULA. _Swains._

Mr. Gould had adopted for the following species Mr. Swainson’s generic

appellation of _Tyrannula_, but Mr. G. R. Gray has pointed out, that as

Tyrannulus was proposed and published eleven years before, namely in

1816, by Vieillot, it becomes necessary to change the former name, and

therefore he proposes _Myiobius_.

1. MYIOBIUS ALBICEPS. _G. R. Gray._

Muscipeta albiceps. _D’Orb. & Lafr._ Mag. de Zool. 1837, p. 47.

This bird is not uncommon in Tierra del Fuego, and along the western

coast of the southern part of the continent, where the land is covered

with trees; it is occasionally found near Valparaiso in central Chile;

and likewise in Banda Oriental on the banks of the Plata, where the

country is open, from all of which places I procured specimens. At Port

Famine and in the islands of the Chonos Archipelago, it inhabits the

gloomiest recesses of the great forests. It generally remains quietly

seated high up amongst the tallest trees, whence it constantly repeats a

very plaintive, gentle whistle, in an uniform tone. The sound can be

heard at some distance, yet it is difficult to perceive from which

quarter it proceeds, and from how far off; and I remained in

consequence, for some time in doubt, from what bird it proceeded.

2. MYIOBIUS AURICEPS.

Tyrannula auriceps. _Gould_, MS.

_M. rufus; capite cristato nitidè flavo; plumarum apicibus brunneis;

alis brunneis, secundariarum marginibus tectricumque apicibus rufis;

caudâ pallidè brunnea, plumarum externarum marginibus externis

pallidioribus; gutture corporeque subtus pallidè flavescenti-albis;

plumis singulis fasciâ centrali brunnea._

Long. tot. 5³⁄₁₂ unc; _alæ_, 2⁵⁄₁₂; _caudæ_, 2⁶⁄₁₂; _tarsi_, ⁹⁄₁₂;

_rost._ ⁷⁄₁₂.

All the upper surface rufous; the basal portion of the coronal

feathers yellow; tail uniform light brown, the external margin of

the outer feathers lighter; wings brown, the external margin of the

secondaries and the tips of the greater and lesser wing-coverts

rufous; throat and all the under surface pale buffy white, each

feather having a brown mark down the centre; bill brown; feet black.

Habitat, Buenos Ayres, La Plata, (_August_).

This bird is about the size of a sparrow. It is nearly allied to

_Tyrannula ferruginea_ of Swainson and _M. cinnamonea_ of D’Orbig. and

Lafr.

3. MYIOBIUS PARVIROSTRIS.

Tyrannula parvirostris, _Gould_, MS.

_M. suprà rufobrunneus; pileo, nuchâ humerisque obscurè

olivaceo-brunneis; alis brunneis, primariarum et secundariarum

marginibus exterius angustè tectricumque latè ferrugineis; caudâ

guttureque griseo-brunneis; pectore abdomineque flavescenti

brunneis._

Long. tot. 4¹⁰⁄₁₂ _unc._; _alæ_, 2⁶⁄₁₂; _caudæ_, 2²⁄₁₂; _tarsi_, ⁹⁄₁₂;

_rost._ ⁶⁄₁₂.

Crown of the head, back of the neck, and shoulders, dark olive brown;

back and upper tail coverts rufous brown; wings brown; the external

edges of the primaries and secondaries finely, and the greater and

lesser wing coverts broadly margined with ferruginous; tail uniform

greyish brown; throat brownish grey; chest and abdomen sandy brown;

upper mandible dark brown; under mandible yellowish brown; feet

blackish brown.

Habitat, Tierra del Fuego, Chile, and La Plata.

This bird inhabits the forests of Tierra del Fuego, and as I procured

specimens of it in the beginning of winter (June), it probably remains

throughout the year in the extreme southern part of South America. Other

specimens were procured on the banks of the Plata, and near Valparaiso

in Chile; it has therefore a wide range.

4. MYIOBIUS MAGNIROSTRIS.

PLATE VIII.

Tyrannula magnirostris. _Gould_, MS.

_M. Fæm. Suprà olivaceo-brunnea; caudâ brunnea; rectricum externarum

marginibus griseo-brunneis; gutture pectoreque olivaceo griseis;

abdomine caudæque tectricibus inferioribus pallidè flavis; alis

saturatè brunneis, secundariis tectricibusque late griseo

marginatis._

Long tot. 5⁶⁄₁₂; _alæ_, 2⁸⁄₁₂; _caudæ_, 2⁶⁄₁₂; _tarsi_, ¹¹⁄₁₂; _rost._

⁹⁄₁₂.

Crown of the head and back olive brown; tail brown; the external

margins of the two outer feathers greyish brown; throat and chest

olive grey; abdomen and under tail coverts very pale citron yellow;

wings dark brown; secondaries, greater and lesser wing coverts

broadly margined with grey; bill and feet black.

Habitat, Chatham Island, Galapagos Archipelago, (_October_).

This bird and the _Pyrocephalus nanus_, inhabit the same island. Not

very uncommon.

[Illustration:

_Birds. Pl. 8._

_Tyrannula magnirostris._

]

GENUS.—SERPOPHAGA. _Gould._

_Rostrum capite multò brevius, rectum, subdepressum; tomiis rectis;

mandibulâ superiore subemarginatâ; naribus basalibus, lateralibus,

pilis mollibus anticè versis partim tectis. Alæ breves, concavæ,

remige quartâ longissimâ. Cauda longiuscula subrotundata. Tarsi

mediocres squamis duris annulati; digitis parvis, postico mediano

breviore, lateralibus æqualibus, exteriore cum mediano usque ad

articulum priorem connatum._

1. SERPOPHAGA PARULUS. _Gould._

Muscicapa parulus, _Kitlitz_, Mem. L’Acad. Imp. des Sci. St. Peters.

1831. 1. p. 190. Pl. 9.

Sylvia Bloxami, _Gray’s_ Zool. Misc. 1831. p. 11.

Culicivora parulus, _D’Orb. & Lafr._ Mag. de Zool. 1837, p. 57.

This bird is common in central Chile, in Patagonia, and although found

in Tierra del Fuego, it is not numerous there. Its specific name is very

well chosen, as I saw no bird in South America whose habits approach so

near to those of our tom-tits (_Parus_). It frequents bushes in dry

places, actively hopping about them, and sometimes repeating a shrill

cry; it often moves in small bodies of three and four together. In

August I found the nest of one in a valley in the Cordillera of central

Chile; it was placed in a bush and was simply constructed.

2. SERPOPHAGA ALBO-CORONATA. _Gould._

_S. supra olivaceo-brunnea, subtus pallidè flava; pileo nigrescenti

brunneo, in hoc plumarum basibus lineâque supra oculos albis; alis

nigrescenti brunneis, primariis angustè olivaceo marginatis,

tectricibus latè olivaceo-griseo marginatis, gutture griseo._

Long. tot. 4³⁄₁₂; _alæ_, 2; _caudæ_, 2; _tarsi_, ⁸⁄₁₂; _rost._ ⁶⁄₁₂.

A stripe of white from the nostrils over each eye; crown of the head

brown, the base of all the feathers pure white; back of the neck,

back and upper tail coverts olive brown; wings blackish brown, the

external edges of the primaries finely margined with olive, and the

greater and lesser wing coverts largely tipped with olive grey; tail

uniform brown; throat grey; abdomen and under tail coverts pale

citron yellow; bill and feet brown.

Habitat, Maldonado, La Plata, (_June_).

This bird, like the last species, generally moves in very small flocks.

Its habits, I presume, are also very similar; for I state in my notes

that it closely approaches to our tit-mice in general manners and

appearance.

3. SERPOPHAGA NIGRICANS. _Gould._

Sylvia nigricans, _Vieill._

Tachuris nigricans, _D’Orb. & Lafr._ Mag. de Zool. 1837. p. 55.

Le Petit Tachuris noirâtre, _Azara_, No. 167.

This bird is common in the neighbourhood of Maldonado, on the banks of

the Plata. It generally frequents the borders of lakes, ditches, and

other moist places; but is related in its general manners with the last

species. It often alights on aquatic plants, growing in the water. When

seated on a twig it occasionally expands its tail like a fan.

The zoology of the voyage of H.M.S. Beagle [vol. 3 of 5] · 第 4 / 16 段