A diverse array of mammal headgear is on display in the Museum’s Richard Gilder Center for Science, Education, and Innovation as part of the Louis V. Gerstner, Jr. Collections Core. Credit: Alvaro Keding/ AMNH
From the small ossicones on a giraffe to the gigantic antlers of a male moose—which can grow as wide as a car—the headgear of ruminant hooved mammals is extremely diverse, and new research suggests that despite the physical differences, fundamental aspects of these bony adaptations likely evolved from a common ancestor.
Study author Zachary Calamari scanning an elk skull at the American Musuem of Natural History. Credit: Matt Shanley/ AMNH By comparing their newly sequenced cattle horn transcriptome to deer antler and pig skin transcriptomes, Calamari and Flynn confirmed for the first time with transcriptomes that family-specific differences in headgear likely evolved as elaborations on a general bony structure inherited from a common ancestor.
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