Fossil evidence of avian crops from the Early Cretaceous of China

Volume: 108, Issue: 38, Pages: 15904 - 15907
Published: Sep 20, 2011
Abstract
The crop is characteristic of seed-eating birds today, yet little is known about its early history despite remarkable discoveries of many Mesozoic seed-eating birds in the past decade. Here we report the discovery of some early fossil evidence for the presence of a crop in birds. Two Early Cretaceous birds, the basal ornithurine Hongshanornis and a basal avian Sapeornis, demonstrate that an essentially modern avian digestive system formed early...
Paper Details
Title
Fossil evidence of avian crops from the Early Cretaceous of China
Published Date
Sep 20, 2011
Volume
108
Issue
38
Pages
15904 - 15907
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