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Photograph:Eggs of some of the common birds effectively illustrate the great variety of egg size, color, and markings. Egg collecting is now forbidden by federal laws that protect songbirds. They should never be taken from the nest. As a rule, eggs that are laid in holes or in hollow trees are white. Those that are laid in exposed places have the “protective coloration” of spots and streaks that blend into the background and make them almost invisible to the predators that might eat them.

Photograph:Eggs of some of the common birds effectively illustrate the great…

In the late 19th century scientists began to investigate the chemistry of bird eggshell color. In the 1970s, they arrived at a startling discovery: The entire gamut of eggshell colors and markings is the result of just two pigments—one that’s reddish-brown and another that’s bluish-green—set against the pristine white backdrop of the universal calcium carbonate shell. Cracking the Code on Egg Coloration | Audubon

New research uncovers how two pigments—reddish-brown and bluish-green—produce a remarkable spectrum of bird eggshell hue and patterns. Great article from the National Audubon Society.

Bird egg identification charts from Scientific Illustration and Data Deluge

The eggs of various birds (from the book 'World of Birds' by James Fisher and Roger Tory Peterson).

Birds’ Eggs taken from ‘Catalogue of the Collection of Birds’ Eggs in the British Museum’ by British Museum (Natural History). Department of Zoology. W. Ogilvie-Grant. December 1901. Natural History...

heaveninawildflower: “ Birds’ Eggs taken from ‘Catalogue of the Collection of Birds’ Eggs in the British Museum’ by British Museum (Natural History). Department of Zoology.

harvestheart:    Vintage Egg Collection  A carefully laid out collection of eggs bought from a farmer who gathered them in the 1950’s.

awelltraveledwoman

Vintage Egg Collection A carefully laid out collection of eggs bought from a farmer who gathered them in the hard to get away from how pretty eggs are. Great photo if I ever need to replicate eggs

“Is the spring coming?" he said. "What is it like?"... "It is the sun shining on the rain and the rain falling on the sunshine...”  ― Frances Hodgson Burnett, The Secret Garden

Spring ~ new eggs! An amazing bird's nest which holds four robin's egg's blue bird eggs!

Beautiful birds eggs.

Bird egg collection, Western Foundation of Vertebrate Zoology, Los Angeles, California Frans Lanting.

Many of the most perfect color combinations can only be found in nature.  These are music to my soul.

The bird egg collection at the Delaware Museum of Natural History is an incredible treasure of thousands of eggs from around the world. photo by by Kevin Fleming

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