Scientific Illustration

n7_w1150 by BioDivLibrary on Flickr.

Mountain bluebird (Sialia currucoides)

Western Bluebird (Sialia mexicana)

Tagged: 59.82(79) Birds British Columbia Pacific Coast (North America) American Museum of Natural History Library Sialia currucoides Mountain bluebird bluebird bird birds Western Bluebird Sialia mexicana

Posted on January 31, 2012 with 50 notes
Mountain Bluebird - Sialia arctica now called Sialia currucoides

Tagged: Sialia currucoides Sialia arctica Mountain Bluebird Bluebird bird birds

Posted on January 31, 2012 with 49 notes

Source: commons.wikimedia.org
Mountain Bluebird - Sialia arctica now called Sialia currucoides

From: ‘Fauna boreali-americana, or, The zoology of the northern parts of British America’

Tagged: Mountain Bluebird Sialia arctica Sialia currucoides Bluebird bird birds

Posted on January 30, 2012 with 77 notes

Source: digitalgallery.nypl.org