=505. Hooded Oriole= (_Icterus cucullatus sennetti_). L. 8; B. .75.

_Ad._ [Male]. _Orange_; forehead, face, throat, foreback, wings and

tail black; lesser wing-coverts and tips to greater ones white. _Ad._

[Female]. Yellowish below, brownish olive-green above, two white

wing-bars. _Yng._ [Male]. Like [Female], but throat black. _Notes._

See No. 507.

Range.--Mexico; migrating north to the Lower Rio Grande; winters in

Mexico.

=505a. Arizona Hooded Oriole= (_I. c. nelsoni_). Similar to No. 505,

but head, rump, etc. yellow instead of orange.

Range.--Northwestern Mexico and Lower California, migrating north to

southwestern New Mexico, Arizona, and southern California, west of

Sierra Nevada; winters in Mexico.

[Illustration: 507.]

=507. Baltimore Oriole= (_Icterus galbula_). L. 7.5. _Ad._ [Male].

Throat, whole head, foreback, wings and middle tail-feathers black;

breast, belly, rump, lesser wing-coverts and ends of outer

tail-feathers orange; wing-coverts and tertials margined with white.

_Ad._ [Female]. Head and foreback olive-yellow spotted with black;

rump and tail brownish yellow; below dull yellow, throat generally

blackish. _Notes._ The notes of all the orange and black Orioles known

to me are mellow, musical, querulous whistles generally given in

detached fragments, all much alike in character but distinguishable

when one becomes familiar with them.

Range.--Eastern North America west to the Rocky Mountains; breeds from

Florida and eastern Texas north to New Brunswick and the Saskatchewan;

winters in Central and South America.

[Illustration: 508.]

=508. Bullock Oriole= (_Icterus bullocki_). L. 7.5. _Ad._ [Male].

_Cheeks_, most of underparts, forehead and line over eye orange; rump

and outer tail-feathers yellower; center of throat, crown, foreback

and middle tail-feathers black; a large white wing-patch. _Ad._

[Female]. Above olive grayish brown; below yellowish, belly whiter;

tail olive-yellow; wings blackish, median coverts tipped, greater

coverts externally margined with white; chin sometimes blackish.

_Yng._ [Male]. Like [Female], but center of throat and lores black.

_Notes._ See No. 507.

Range.--Western North America, from Mexico north to Assiniboia and

British Columbia; east to western Texas; west to the Pacific; winters

in Mexico.

[Illustration: 637.]

=637. Prothonotary Warbler= (_Protonotaria citrea_). L. 5.5.

Tail-feathers with large white areas. _Ad._ [Male]. Whole head and

underparts orange-yellow; back greenish yellow; rump gray. _Ad._

[Female]. Crown greenish like back; yellow paler; belly whitish;

less white in tail. _Notes._ Call, a sharp, metallic _chink_; song,

a "high pitched, penetrating and startling" "_peet_, _tsweet_,

_tsweet_, _tsweet_, _tsweet_, _tsweet_." (Jones.)

Range.--Eastern North America; breeds from the Gulf States north to

Virginia, Ohio, and southern Minnesota; winters in the tropics.

[Illustration: 651.]

=651. Olive Warbler= (_Dendroica olivacea_). L. 5.2. _Ad._ [Male].

Head and breast orange brown, a black band through the eye; back

olive-gray; belly grayish; wing-bars white; outer tail-feathers

largely white. _Ad._ [Female]. Above olive-gray, head yellower;

eye-band dusky; breast yellow; belly white. _Notes._ Song, a liquid

_quirt quirt_, _quirt_, in a descending scale. (Price.)

Range.--Highlands of Guatemala and Mexico north to mountains of

Arizona and New Mexico.

[Illustration: 662.]

=662. Blackburnian Warbler= (_Dendroica blackburniA|_). L. 5.2. _Ad._

[Male]. Throat, line over eye, center of crown, and sides of neck

bright orange; back black with a few whitish streaks; wing-bars

broadly white; tail-spots white. _Ad._ [Female]. Yellow areas paler;

above grayish streaked with blackish. _Yng. and Ad. in Winter._

Similar to Ad. [Male], but throat paler, back browner; wing with two

distinct bars. _Notes._ Song, _wee-see-wee-see, tsee-tsee_, _tsee_,

_tsee-tsee_, _tsee_, _tsee_, in an ascending scale, the last shrill

and fine.

Range.--Eastern North America; breeds from northern New England (and

in Berkshire and Worcester counties, Massachusetts), and northern

Minnesota, north to Labrador and Hudson Bay region, (and south in

Alleghanies to South Carolina); winters in tropics.

[Illustration: 687.]

=687. Redstart= (_Setophaga ruticilla_). L. 5.4. _Ad._ [Male]. Black;

sides of breast, band in wings and in tail rich salmon. _Ad._

[Female]. Sides of breast, band in wings and in tail dull yellow; back

olive-brown, crown gray; below whitish. _Yng._ [Male]. Intermediate

between adults. _Notes._ Song, _ching_, _ching_, _chee_; _ser-wee_,

_swee_, _swe-e-e_.

Range.--North America; rare on the Pacific coast; breeds from North

Carolina, and Kansas north to Labrador and Alaska; winters in the West

Indies, Central and South America.

[Illustration: 748.]

=748. Golden-crowned Kinglet= (_Regulus satrapa_). L. 4.1. _Ad._

[Male]. Crown orange and yellow bordered by black; a whitish line over

eye; back grayish olive-green; below soiled whitish. A blackish band

in wing bordered basally by yellowish white. _Ad._ [Female]. No orange

in crown, its whole center yellow. _Notes._ Call, a fine, high

_ti-ti_; song, five or six fine, shrill high-pitched notes ending in a

short, rapid, rather explosive warble, "_tzee_, _tzee_, _tzee_,

_tzee_, _ti_, _ti_, _ter_, _ti-ti-ti_."

Range.--North America; breeds from northern United States northward,

and southward along the Rockies into Mexico and in the Alleghanies to

North Carolina; winters from about its southern breeding limit to the

Gulf States and Mexico.

=748a. Western Golden-crowned Kinglet= (_R. s. olivaceus_). Similar to

No. 748, but upperparts brighter olive-green; underparts with a

brownish tinge.

Range.--Pacific coast region; breeds from the higher Sierra Nevada of

California north to southern Alaska.

[Illustration: 666.]

=666. Golden-cheeked Warbler= (_Dendroica chrysoparia_). L. 5. _Ad._

[Male]. Throat, crown and _back_ black; cheeks and spot in forehead

yellow; a narrow black line through eye; wing-bars and tail-patches

white. _Ad._ [Female]. Above olive green with _black streaks_; cheeks

duller than in [Male], eye-streak dusky; throat yellow, breast

blackish; belly _white_. _Notes._ Song, _tser_, _weasy-weasy_, _twea_,

resembling song of No. 667. (Nehrling.)

Range.--Western central and southern Texas and south through eastern

Mexico to highlands of Guatemala. (Ridgway.)

[Illustration: 667.]

=667. Black-throated Green Warbler= (_Dendroica virens_). L. 5.

_Ad._ [Male]. Throat and breast black; cheeks greenish yellow; back

olive-green; wing-bars and tail patches white. _Ad._ [Female] and

_Yng._ [Male]. Similar, but throat yellowish; black breast tipped with

yellowish; _belly tinged with yellow_; back _without_ black _streaks_.

_Yng._ [Female]. Throat and breast yellowish white, little or no

black. _Notes._ Song, a droning _zAe"Ae"_, _zAe"Ae"_, _zAe•-Ae"Ae"'_, _zAe"Ae"_.

Range.--Eastern North America; breeds from Connecticut and northern

Illinois north to Nova Scotia and Hudson Bay, and south in Alleghanies

to South Carolina; winters in Central America.

[Illustration: 668.]

=668. Townsend Warbler= (Dendroica townsendi). L. 5.1. _Ad._ [Male].

A black eye-patch bordered by yellow stripes; crown and throat black;

back olive-green spotted with black; wing-bars and tail-patches white.

_Ad._ [Female]. Eye-patch olive; throat yellow, indistinctly blackish;

crown and back olive-green, with few black streaks. _Yng._ Similar,

but yellower. _Notes._ Song, _de-de_, _de-de_, _de_, like that of

No. 667. (Merrill.)

Range.--Western North America; breeds from mountains of southern

California north to Alaska, east to western Colorado; in migrations to

western Texas; winters in Mexico.

[Illustration: 669.]

=669. Hermit Warbler= (_Dendroica occidentalis_). L. 5.1. Underparts

_without_ streaks. _Ad._ [Male]. Crown and cheeks yellow; throat

black; back gray spotted with black; wing-bars and tail-patches

white. _Ad._ [Female]. Crown less yellow; throat yellowish; back

olive-gray, usually without spots. _Yng._ [Female]. Similar, but

yellower. _Yng._ [Male]. Throat dusky; forehead and cheeks yellow;

back olive-green with concealed black spots. Much like Yng of

No. 667, but forehead yellower, no streaks below. _Notes._ Song,

_zeegle-zeegle-zeegle-zeek_. (Barlow.)

Range.--Western United States; breeds in high mountains from British

Columbia to California, and from Pacific Coast district of United

States to Rocky Mountains; migrates to Lower California, Mexico, and

Guatemala. (Bailey.)

[Illustration: 684.]

=684. Hooded Warbler= (_Wilsonia mitrata_). L. 5.7. Outer tail-feather

with white patches. _Ad._ [Male]. Forehead and cheeks yellow; hindhead

extending to breast and throat black; belly yellow; back olive-green.

_Ad._ [Female]. Throat yellow, hindhead olive-green usually with

black. _Notes._ Call, a sharp _cheep_; song, a gracefully whistled

_you must come to the woods, or you wont see me_.

Range.--Eastern United States; breeds north to southern Connecticut,

central western New York, and southern Michigan; winters in Central

America.

[Illustration: 531.]

=531. Lawrence Goldfinch= (_Astragalinus lawrencei_). L. 4.7. _Ad._

[Male]. Crown, throat and front of cheeks black; body _gray_, breast,

rump, wings and, to a less degree, back with yellow; outer tail

feathers with large white spots near the end. _Ad._ [Female]. Similar,

but no black, back browner and without yellow. _Notes._ Suggesting

those of the Goldfinch, but weaker.

Range--California, west of the Sierra; breeds from northern Lower

California north to Chico, California; winters to Arizona and New

Mexico.

[Illustration: 642.]

=642. Golden-winged Warbler= (_Helminthophila chrysoptera_). L. 5.

_Ad._ [Male]. Crown yellow, wing-bars broadly yellow; above bluish

gray; below grayish white; throat-patch and eye-stripe black. _Ad._

[Female]. Crown duller; throat-patch and eye-stripe gray. _Notes._

Song, a lazy _zee-zee-zee-zee_ all on same note.

Range.--Eastern United States; breeds from northern New Jersey and

northern Indiana north to Vermont, southern Ontario, and Michigan, and

south along Alleghanies to South Carolina; winters in Central America.

[Illustration: 678.]

=678. Connecticut Warbler= (_Geothlypis agilis_). L. 5.5. Eye-ring

white; no white in wings or tail. _Ad._ [Male]. Crown and cheeks

bluish slate; throat and breast paler, the latter with no black; above

olive-green; below yellow, sides greenish. _Ad._ [Female] _and Yng._

Throat and breast olive _brown_; belly yellow; back brownish

olive-green; crown browner. _Notes._ Call, a sharp _peek_; song,

suggesting that of Maryland Yellow-throat and also that of Oven-bird,

_free-chapple_, _free-chapple_, _free-chapple_, _whoit_. (Seton.)

Range.--Eastern North America, north to Maine and Manitoba; known to

breed only in Manitoba; winters in northern South America.

[Illustration: 679.]

=679. Mourning Warbler= (_Geothlypis philadelphia_). L. 5.4. No white

in wings or tail. _Ad._ [Male]. No white eye-ring; crown and cheeks

bluish slate; throat blackish; breast black more or less veiled by

slaty; belly yellow; back olive-green. _Ad._ [Female]. Head slaty;

throat and breast _grayish_; an inconspicuous white eye-ring. _Yng._

Similar, but browner above; throat more yellow. _Notes._ Song, clear

and whistled, _tee te-o te-o te-o we-se_, the last couplet accented

and much higher pitched. (Jones.)

Range.--Eastern North America; breeds from northern New England,

northern New York and eastern Nebraska north to Nova Scotia and

Manitoba, and south along the Alleghanies to West Virginia; winters in

Central and South America.

[Illustration: 680.]

=680. Macgillivray Warbler= (_Geothlypis tolmiei_),

L. 5.4. _Ads._ Similar to No. 679, but with an incomplete

white eye-ring showing above and below eye.

Range.--Western North America from the Rocky Mountains to the

Pacific; breeds from western Texas and mountains of southern California

north to British Columbia; in migrations ranges east to Nebraska

and middle Texas; winters in Mexico and Central America.

[Illustration: 656.]

=656. Audubon Warbler= (_Dendroica auduboni_). L. 5.6. Crown, sides of

breast, rump, and _throat_ usually with yellow. _Ad._ [Male]. Throat

bright yellow; breast black; back blue-gray streaked with black;

wing-bars broadly white; outer tail-feathers with white. _Ad._

[Female]. Similar to male, but breast grayish; yellow less bright;

less white in wings. [Male], _Winter_. Like same plumage of No. 655,

but throat, yellowish; more white in tail. [Female], _Winter_.

Similar, but less yellow, throat sometimes without yellow, when like

No. 655, but white on four or five outer tail-feathers instead of on

two or three.

Range.--Western United States; breeding in higher mountains from

southern California and New Mexico north to British Columbia; winters

south into Mexico.

=656a. Black-fronted Warbler= (_D. a. nigrifrons_). Similar to No.

656, but _Ad._ [Male]. with forehead, sides of crown, and ears black;

back black, narrowly margined with bluish gray. _In winter._ Bluish

gray, not brownish above. Ad. [Female] darker, more heavily streaked

with black above. (Ridgw.)

Range.--Mountains of northern Mexico north to southern Arizona.

[Illustration: 657.]

=657. Magnolia Warbler= (_Dendroica maculosa_). L. 5.1. Rump yellow;

seen from below a white band across middle of tail. _Ad._ [Male].

Crown ashy, back black; wing-coverts broadly white; below yellow

streaked with black. _Ad._ [Female]. Duller; fewer black stripes

below; wing-bars separated, narrow. _Yng. and Ad in winter._ Crown and

sides of head brownish ashy, back olive-green; below yellow, sides

occasionally streaked. _Notes._ Song, a loud, clear whistle,

_chee-to_, _chee-to_, _chee-tee-ee_, uttered rapidly and with a

falling inflection, (Langille.)

Range.--Eastern North America, west in migrations, to the Rockies;

breeds from northern New England, northern Michigan (and south along

the Alleghanies to Pennsylvania), north to Quebec and Hudson Bay

region; winters in Central America.

[Illustration: 663.]

=663. Yellow-throated Warbler= (_Dendroica dominica_). L. 5.2. _Ads._

Throat and _line from bill to eye_ yellow; cheeks and forehead black;

back bluish gray; two broad white wing-bars; tail-patches white.

_Notes._ Song, loud, ringing and ventriloquial; suggesting that of

Indigo Bunting but shorter.

Range.--Southeastern United States; breeds from Florida north to

Virginia and winters from Florida south into West Indies.

=663a. Sycamore Warbler= (_D. d. albilora_). Similar to No. 663, but

bill smaller, line from eye to bill white or with but traces of

yellow.

Range.--Mississippi Valley; breeds from Texas north to Kansas,

southern Indiana, southern Illinois, and West Virginia; winters in

Mexico and Central America.

[Illustration: 664.]

=664. Grace Warbler= (_Dendroica graciA|_). L. 5. _Ad._ [Male]. Throat

and line over eye yellow; cheeks gray; above gray, crown and back with

black streaks; wing-bars and tail-patches white. _Ad._ [Female].

Similar, but duller, back sometimes brownish.

Range.--Northwestern Mexico, north to New Mexico, southwestern

Colorado, and Arizona.

=686. Canadian Warbler= (_Wilsonia canadensis_). L. 5.6. No white in

wings or tail. _Ad._ [Male]. A necklace of black spots on breast; back

gray; belly yellow; forehead black. _Ad._ [Female] _and Yng._ [Male].

Black areas smaller. _Yng._ [Female]. Slightly yellowish above;

necklace slightly indicated by dusky spots. _Notes._ Song, _tu-tu_,

_tswe_, _tu_, _tu_, longer or shorter and suggesting in style of

utterance both the Yellow Warbler and Goldfinch. (Jones.) (See page

190.)

Range.--Eastern North America; breeds from Massachusetts, central New

York, and northern Michigan north to Labrador and Manitoba, and south

along the Alleghanies to North Carolina; winters in Central and South

America.

[Illustration: 640.]

=640. Bachman Warbler= (_Helminthophila bachmanii_). L. 4.2. Outer

tail-feathers usually with a white patch more or less distinct. _Ad._

[Male]. Breast-patch and crown-band black; forehead, chin and belly

yellow; back olive-green, hindhead grayish. _Ad._ [Female]. Above

grayish olive-green, head grayer; below dingy grayish with a yellow

tinge. _Notes._ Song, when migrating, resembles that of Parula

Warbler, (Brewster); when breeding, that of Worm-eating Warbler, Junco

or Chippy. (Widmann).

Range.--Southeastern United States, west to Louisiana, north to

Virginia and southern Indiana; rare on Atlantic coast; known to breed

only in Missouri; winters south of United States.

[Illustration: 641.]

=641. Blue-winged Warbler= (_Helminthophila pinus_). L. 4.8. _Ad._

[Male]. Crown and underparts yellow; back olive-green; a black stripe

through eye; two whitish wing-bars; outer tail-feathers with white

patches. _Ad._ [Female]. Similar, less yellow on head, duller below.

_Notes._ Song, a wheezy, _swee-chee_, the first inhaled, the second

exhaled; also, later, _wAe"Ae"_, _chi-chi-chi-chi_, _chA"r_, _chAe"Ae"-chA"r_.

Range.--Eastern United States; breeds north to southern Connecticut

and Minnesota, occasionally wanders to Massachusetts; winters south

of United States.

[Illustration: 670.]

=670. Kirtland Warbler= (_Dendroica kirtlandi_). L. 5.7. _Ad._ [Male].

Above bluish gray streaked with black; below pale yellow, sides

streaked with black; wing-bars grayish; tail-patches white. _Ad._

[Female]. Similar, but browner. _Notes._ Song, said to resemble that

of Maryland Yellow-throat and also that of Yellow-throated Warbler.

Range.--Eastern United States; has been found from April to October

in United States as follows: in Florida, South Carolina, Virginia,

Missouri, Illinois, Indiana, Ohio, Minnesota, Michigan, and Ontario,

in all some twenty odd specimens; found breeding in summer of 1903 in

Oscoda County, Michigan; winters in Bahamas where some fifty specimens

have been taken.

[Illustration: 671.]

=671. Pine Warbler= (_Dendroica vigorsii_). L. 5.5. _Ad._ [Male].

Throat and breast greenish yellow; above bright yellowish green;

wing-bars and tail-patches white. _Ad._ [Female]. Similar, but breast

duller, back browner. _Yng._ [Male]. Similar to Ad. [Male], but

browner. _Yng._ [Female]. Below buffy white, breast slightly or not

all yellowish; back olive-brown. _Notes._ Song, suggesting a Chipping

Sparrow's but more musical.

Range.--Eastern North America; breeds from Gulf States north to New

Brunswick, Minnesota, and Manitoba; winters from Virginia and southern

Illinois to Gulf States.

=696. Siberian Yellow Wagtail= (_Budytes flavus leucostriatus_).

L. 6.5. _Ad._ [Male]. Crown bluish slate, a white line over eye; back

olive-green; below yellow; wing-bars yellowish; outer tail-feathers

largely white. _Ad._ [Female]. Similar, but duller, head and wing-bars

browner. _Notes._ Call, a sharp, _plA(C)-plA(C)-ple_; song, a low, clear,

medley of jingling notes uttered on the wing. (Nelson.)

(See page 191.)

Range.--China, Eastern Siberia, and Bering Sea portion of eastern

Alaska.

[Illustration: 529.]

=529. American Goldfinch= (_Astragalinus tristis_). L. 5.1; W. 2.8.

_Ad._ [Male]. Yellow, cap, wings and tail black; wing-coverts,

secondaries and inner margins of tail-feathers tipped with white.

_Ad._ [Female], Above grayish olive-brown; below buffy whitish; throat

yellowish; wings and tail duller than in male; white tips to tail not

distinct. _Yng._ [Male] _and Ad._ [Male] _in winter_. Similar to

[Female] but wings and tail black; white markings grayer than in

summer. _Notes._ Calls, when perching, _hear me_, _hear me_, _dearie_,

soft and sweet, when flying, _per-chic'-o-ree_; _per-chic'-o-ree_;

song, sweet, rapid, varied and canary-like.

Range.--Eastern North America west to the Rockies; breeds from

Virginia and Missouri north to Labrador and Manitoba; winters from

northern United States to the Gulf States.

=529a. Western Goldfinch= (_A. t. pallidus_). Similar to No. 529, but

larger, W. 3.05. _Ad._ [Male], _in summer_, similar in color to No.

529. [Female] and [Male], _in winter_. Much paler, the white areas

greater in extent.

Range.--Rocky Mountain region from northern Mexico north to British

Columbia.

=529b. California Goldfinch= (_A. t. salicamans_). Similar to No. 529,

but wings and tail shorter and color darker. _Ad._ [Male] _in summer_.

With back always (?) tinged with pale olive-green; in winter darker

than No. 529, but with white areas as large as in 529a. (Ridgw.)

Range.--California, west of the Sierra, south to Lower California,

north to Washington.

[Illustration: 530.]

=530. Arkansas Goldfinch= (_Astragalinus psaltria_). L. 4.1. _Ad._

[Male]. Cap, wings, and tail black, most of primaries and tail white

basally; back and cheeks olive-green, often marked with black; below

yellow _Ad._ [Female]. No black cap; above olive-green; below dull

yellowish; wings and tail brownish black, former with white much

reduced, latter with little or no white. _Yng._ Resemble female.

_Notes._ Call, _se-e-e-ep_; song, sweet, varied and musical.

Range.--Western United States, from the Plains to the Pacific; breeds

from northern Lower California and western Texas, north to Colorado,

southern Idaho, and Oregon; winters from the southern part of its

breeding range southward.

=530b. Mexican Goldfinch= (_A. p. mexicanus_). Resembles No. 530,

but _cheeks and entire upperparts black_; [Female] as in No. 530.

Range.--Mexico, north to southern Texas.

[Illustration: 685.]

=685. Wilson Warbler= (_Wilsonia pusilla_). L. 5. No white in plumage.

_Ad._ [Male]. Crown shining black; forehead, cheeks and underparts

yellow; back olive-green. _Ad._ [Female]. Similar, but crown-patch

often smaller, sometimes absent. _Yng._ [Female]. Crown-patch absent.

_Notes._ Song, _'tsh-'tsk-'tsh-'tshea_. (Nuttall.) Suggests that of

Redstart or Yellow Warbler. (Minot.)

Range.--Eastern North America; breeds from Nova Scotia, northeastern

Maine, and Ontario north to Labrador and Hudson Bay region; winters in

Mexico and Central America; "occasional during migration in Colorado...

and other parts of the Rocky Mountain district" (Ridgw.)

(See page 192.)

=685a. Pileolated Warbler= (_W. p. pileolata_). Similar to No. 685,

but yellow deeper, olive brighter.

Range.--Western North America; breeding throughout the Rocky Mountain

district from western Texas in higher mountains, northward to Alaska,

coast and interior; westward to eastern Oregon and Queen Charlotte

Islands; in migrations over all of western North America and east to

Minnesota; in winter south to Central America. (Ridgw.) (See page

192.)

=685b. Golden Pileolated Warbler= (_W. p. chryseola_). Similar to

No. 685a, but still brighter, richer yellow; forehead nearly orange;

back brighter green.

Range.--Pacific coast; breeds from southern California north to

British Columbia; in migration east to eastern Oregon; south to

Chihuahua and Lower California. (Ridgw.) (See page 192.)

[Illustration: 677.]

=677. Kentucky Warbler= (_Geothlypis formosa_). L. 5.6. No white in

plumage. _Ad._ [Male]. Cheeks and crown black the latter tipped with

ashy; back olive-green; a yellow line over eye; below bright yellow.

_Ad._ [Female]. Similar, but less black in crown and on cheeks; yellow

duller. _Notes._ Song, a _loud musical_ whistle, _turdle_, _turdle_,

_turdle_, suggesting notes of Carolina Wren.

Range.--Eastern United States; breeds from Gulf States north to lower

Hudson Valley, southern Michigan and eastern Nebraska; winters in

Central and northern South America.

[Illustration: 681.]

Color Key to North American Birds with bibliographical appendix · 第 16 / 34 段