Animals in the News

A giant bowhead whale caught off the coast of Alaska had a harpoon point embedded in its neck that showed it survived a similar hunt – more than a century ago.

Biologists claim the find helps prove the bowhead is the oldest living mammal on earth.

They say the 13-centimetre arrow-shaped fragment dates back to around 1880, meaning the 50-ton whale had been coasting around the freezing arctic waters since Victorian times.

Read more:

Credit: zenilorac/Flickr

By Jyoti Madhusoodanan

Scientific American

Are four treats better than two? Not if you’re a crow picking a favorite snack.

Crows and ravens hold off on gobbling a tidbit when they can see a better one coming after a short wait. But they’ll only act with restraint if the future treat is something they like more than what they already have, not if it’s just more of the same.

The new results, published in the April 2014 issue of the journal Animal Behavior, suggest the birds aren’t just capable of controlling their impulses, they also choose when to give in to temptation. The experiments mimic the classic test where kids and adults are left alone with a marshmallow, and promised a better treat if they refrain from biting in. Like many children and adults, crows and ravens waited.

Read more at: Scientific American

Page 4 of 163««...345...102030...»»