Life histories
章节目录
共 43 段- The site of the Ivorybill’s nest seems to vary
- The family groups apparently keep together until the followi
- Like all woodpeckers, the hairy is an expert climber, perfec
- They do not show a preference for any one kind of tree but
- Dr. Wilfred H. Osgood (1901) described the hairy woodpecker
- They are seen at times with Chickadees, red-cockaded
- In the spring of 1931, father and son * * * fought for and
- There is one observation, however, which should be quoted
- However destructive this drilling may seem to be, it does
- This is the subspecies that was formerly known as Baird’s wo
- I had been out on the bowlder plain [in the San Bernardino
- The Arizona woodpecker (_Dryobates arizonae_) is, outside
- The activities of this and other woodpeckers play an importa
- One of these woodpeckers was watched as it moved slowly
- On returning to the stub the bird would usually strike
- George Miksch Sutton (1928b) speaks thus of the birds on the
- The situation is quite different on the breeding ground. Her
- _Food._--Again, he writes: “Its general habits are similar t
- “By the time I had a hole large enough to thrust in the hand
- Grinnell and Storer (1924) describe the voice as “a weak whe
- George Finlay Simmons (1925) says that in Texas it “feeds on
- The trunk at the point where the hole is drilled will ordina
- With all their alertness, the birds have a large store of cu
- The parents are very devoted to their treasures whether
- Flying insects are an important source of food supply all
- _Breeding range._--The breeding range of the red-headed wood
- As to hole drilling: While the holes are made expressly
- I was camping in a pine forest not many miles from Reserve,
- In its general habits and manners this beautiful species
- The red-bellied woodpecker eats some corn, which it has been
- _Enemies._--Mr. Quillin writes to me: “While this species is
- He says of its range: “So far as now known, only the giant c
- “In April 1934, for more than a week I saw a trio of flicker
- That cry of the young which is so often described as a
- A softer note, heard during active courtship and display, so
- _Plumages._--The sequence of plumages and molts, from fledgl
- The relative depth and clearness of the gray on the throat
- By March 16, the birds were invariably found in pairs,
- RIDGWAY, ROBERT.
- Fleming, J. H., on Arctic three-toed woodpecker, 108.
- varius nuchalis, Sphyrapicus, 140, 141, 146, 151.
- THE MARRIAGE OF FIGARO: COMPLETE SCORE, Wolfgang A. Mozart.
- SEVEN SCIENCE FICTION NOVELS, H. G. Wells. Full novels. _Fir