Xenarthra is an order of mammals that includes armadillos, sloths, and anteaters. Characterized by their unique joints in their vertebral columns, these creatures are mostly found in the Americas.

Certain species of animals and fish simply don't do well in captivity. Here are some animals you can never see at the zoo. Why can’t you see some animals at the zoo? People visit zoos and ...

This suggests that recombination rate may be a highly conserved trait within the Xenarthra lineage, meaning it has remained relatively unchanged over vast evolutionary timescales. Furthermore, the ...