Acorn woodpeckers (Melanerpes formicivorus) stash acornsin storage holes they drill in trees. When these woodpeckersbreed, the offspring from previous years often help withparental duties. Activities of these nonbreeding helpers includeincubating eggs and defending stashed acorns. Propose somequestions about the proximate and ultimate causation of thesebehaviors that a behavioral biologist could ask.
Acorn woodpeckers (Melanerpes formicivorus) stash acornsin storage holes they drill in trees. When these woodpeckersbreed, the offspring from previous years often help withparental duties. Activities of these nonbreeding helpers includeincubating eggs and defending stashed acorns. Propose somequestions about the proximate and ultimate causation of thesebehaviors that a behavioral biologist could ask.
Chapter39: Animal Behavior
Section: Chapter Questions
Problem 14SA
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Acorn woodpeckers (Melanerpes formicivorus) stash acorns
in storage holes they drill in trees. When these woodpeckers
breed, the offspring from previous years often help with
parental duties. Activities of these nonbreeding helpers include
incubating eggs and defending stashed acorns. Propose some
questions about the proximate and ultimate causation of these
behaviors that a behavioral biologist could ask.
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