Extinct species of Hesperornithiformes
Nature
A group of flightless, foot-propelled diving birds, 1 to 2 m long, known by fossils from the Upper Cretaceous in North and South America and also central Asia. Hesperornithids lived in freshwater as well as marine environments.
Broader
Value
SDG
Metadata
Database
World problems
Type
(E) Emanations of other problems
Biological classification
(E) Order
Subject
- Biosciences » Evolution and species
- Societal problems » Destruction
Content quality
Presentable
Language
English
Last update
Sep 23, 2020