International Scholarly Research Notices / 2013 / Article / Fig 4

Review Article

Some Remarks on Bird's Brain and Behavior under the Constraints of Domestication

Figure 4

Different breeds of pigeons with modifications in morphology and/or plumage. (a) Rock Dove, the wild ancestor of all domestic pigeon breeds. (b) English Carrier with characteristic exuberances of the cere. (c) Show King which is bred for a high production of meat. (d) Jacobin with characteristic feather vortices. (e) Saxonian Cropper with increased and inflated crop and foot feathering. (f) Classic Old Frill with characteristic shortened beak, big eyes, and small crest.
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