News tagged with mexico

Monk parakeets invade Mexico

Thanks to the international pet trade, populations of exotic animals are popping up in unexpected places worldwide. One of these successful invaders is the monk parakeet: a small, green parrot native to South America that ...

dateSep 19, 2017 in Ecology
shares38 comments 0

American oaks share a common northern ancestor

If you had been in northern Canada 45 million years ago, you might have encountered the distant ancestor of all of the oaks in the Americas. That single species gave rise to 220 more and two distinct lineages—red oaks and ...

dateSep 19, 2017 in Evolution Ecology
shares16 comments 0