News tagged with female birds

Sexy sons thanks to mom

It is not the superior genes of the father, but the mother's resource investment in the eggs that makes Zebra Finch males particularly attractive. A Swiss-Australian research team lead by evolutionary ecologists ...

Sep 29, 2011
4 / 5 (4) 0 | with audio podcast

Elaborate plumage due to testosterone?

(PhysOrg.com) -- In many bird species males have a more elaborate plumage than females. This elaborate plumage is often used to signal body condition, to intimidate rivals or to attract potential mates. In ...

Oct 21, 2011
4 / 5 (2) 0 | with audio podcast