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| Habits and interactions of North American three-toed woodpeckers (Picoides arcticus and Picoides tridactylus). American Museum novitates ; no. 2547 |
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| Title: | Habits and interactions of North American three-toed woodpeckers (Picoides arcticus and Picoides tridactylus). American Museum novitates ; no. 2547 |
| Other Titles: | Three-toed woodpeckers |
| Authors: | Short, Lester L. |
| Issue Date: | 1974 |
| Publisher: | New York, N.Y. : American Museum of Natural History |
| Series/Report no.: | American Museum novitates ; no. 2547 |
| Abstract: | "Field studies of the little-known black-backed three-toed woodpecker (Picoides arcticus) and the northern three-toed woodpecker (P. tridactylus) during part of a breeding season in northern New York yielded much new information about the habits of the former species and some comparative data regarding the latter. Both species occur in the vicinity of spruce bogs where arcticus is more conspicuous and generally dominant over tridactylus. Picoides arcticus forages in dead trees, especially low dense or fallen trees, and tridactylus in live evergreen trees, generally higher up. The foraging sounds of arcticus were louder than those of tridactylus. Nest excavation, brooding, nest sanitation, and the feeding and behavior of nestlings are discussed for P. arcticus. Nestlings called almost continuously throughout the day. The female fed the young more often than did the male, but the male carried more food items per trip, and performed most of the nest sanitation. There are two distinct form... |
| Description: | 42 p. : ill. ; 26 cm. Includes bibliographical references (p. 41-42). |
| URI: | http://hdl.handle.net/2246/2747 |
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