Thursday, January 10, 2013

Birds are smarter than you might think

From AFP, via Repost Us -

 

 
Urban sparrows find new use for cigarette butts (via AFP)
Cigarette butts are widely reviled as an urban nuisance but birds in Mexico City see them as a boon, apparently using them to deter parasites from their nests, scientists say. Local sparrows and finches incorporate smoked cigarette butts in their nests to provide cosy cellulose lining for their chicks…