breeding
These Punk Rock Penguins Have a Bizarre Breeding Strategy
New Zealand’s erect-crested penguin lays two eggs but rejects the first one—the opposite of how most birds prioritize their offspring. Learn more about your ad …
Sunday book review – The Atlas of North America’s Migratory Birds by Peter P. Mara and Amy Scarpignato
This is a big book; larger than A4 and of just over 800 pages. It is full of information about movements of North American birds in maps (lots of maps), tables …
No Scrubs: Breeding a Better Bull
In 1900, the average dairy cow in America produced 424 gallons of milk each year. By 2000, that figure had more than quadrupled, to 2,116 gallons. In this episo…





