When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Only 3% of bird species have penises.
0
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
The seahorse is the only fish to have a neck.
12
When dragonflies mate, their tails form a love heart.
22
The largest breed of rabbit is the Flemish Giant.
65
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Rattlesnake mating sessions have been known to last more than 22 hours.
232