June 2018

What Are Bird Species?

The most basic definition of a species is a group of biological individuals who can interbreed. Using DNA, and morphological and behavioral studies, birds are placed into categories based upon the closeness of their relationships. Carl Linnaeus was a Swedish botanist, physician, and zoologist, who formalized the modern system of naming organisms called binomial nomenclature. …

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Why Don’t Sleeping Birds Fall Out of Trees?

Birds have a skeletal system with a number of adaptations for their way of life. Flying especially requires a number of adaptations to make the birds’ bones lighter and stronger. Many bones are fused into one, some are hollow, and most have internal struts for strength. Flying birds have a keel extending from their sternum …

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