The trachea, 4 8/12 inches long, (2 1/2)/12 in diameter above, 2/12 below; of 120 unossified rings; its contractor muscles feeble, the sterno-tracheal moderate; a single pair of inferior laryngeal; ...
A hemispheric approach to bird conservation directs our work to the places where birds need us the most. It recognizes that the majority of bird species in the Americas migrate annually between Canada ...
John James Audubon was an American artist and naturalist best known for his detailed paintings of North American birds. Audubon’s color-plate book The Birds of America (1827–1839), is widely acclaimed ...
They’re birds of a feather—that is, they all observe, count and report on local birds every winter. Area bird aficionados may choose to take part in the national Christmas Bird Count, sponsored by the ...