Sentences with phrase «animal migrations between»
The corridor has been considered a potential route for human and animal migrations between the far north (Alaska and Yukon) and the rest of North America, but when and how it was used has long been uncertain.
https://www.sciencedaily.com/ Not exact matches
The wildebeest migration is the world's most massive animal movement: 1.2 million animals cross the savanna in an 1800 - kilometer circuit between Kenya and Tanzania as they follow the rains.
One of the great unknowns in the history of life is the part that Antarctica may have played in the evolution and migration of vertebrates (backboned animals) during the key time interval that spans the end of the Age of Dinosaurs and the beginning of the Age of Mammals (the Cretaceous — Paleogene or K — Pg, between 100 and 40 million years ago).
«We've known there's been an interchange of animals between Asia and North America in the late Cretaceous period, but this is the first example we have of a fossil in the High Arctic region showing how this migration may have taken place,» says John Tarduno, professor of geophysics at the University of Rochester and leader of the Arctic expedition.