As regular CFZ-watchers will know, for some time Corinna has been doing a column for Animals & Men and a regular segment on On The Track... particularly about out-of-place birds and rare vagrants. There seem to be more and more bird stories from all over the world hitting the news these days so, to make room for them all - and to give them all equal and worthy coverage - she has set up this new blog to cover all things feathery and Fortean.

Wednesday, 5 November 2014

How the shape of eggs can help explain the evolutionary history of birds

Date:
November 5, 2014

Source:
University of Lincoln

Summary:
The eggs of amniotes - mammals, reptiles and birds – come in a remarkable variety of shapes and sizes. Evolutionary biologists have now addressed shape variety in terrestrial vertebrates' eggs, pinpointing morphological differences between the eggs of birds and those of their extinct relatives, the theropod dinosaurs.


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