Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Cows can sleep standing up, but they can only dream lying down.
745
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11