Mama Poc: An Ecologist's Account of the Extinction of a

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An example is when fledglings from a previous brood help feed siblings from a subsequent brood. (There may be a selfish aspect to this in that they learn how to rear nestlings.) Alula: A small group of feathers attached to the first "finger" (at the bend) of the wing. The section's activities fall into three main areas: Our specimen collection boasts over 30,000 study specimens, tissues, nests and eggs. Air Sacs: Thin-walled sacs extending from the lung bronchi of birds, which fill much of their body cavities.

Pages: 313

Publisher: W W Norton & Co Inc; 1st edition (June 1990)

ISBN: 0393028305

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