2896 views

Mammals vs. Dinos: First Birds

Segment from the Science Channel about birds during the time of the dinosaurs. Depicts competition and ecological relations between dinosaurs and the first birds.

You need to login to download this video.
login or signup

Channels: Ecology

Tags: First birds dinosaurs

Uploaded by: ( Send Message ) on 11-01-2013.

Duration: 1m 16s