bbcearth.com

nW8J9 TIL that male Gentoo penguins propose to females by giving them a pebble. If the female accepts the pebble, they become a mated pair and use the pebble to build their nest.
R589l TIL that Wild European hamsters in Vienna, Austria have learned to survive harsh winters by feasting on the oily, protein-filled candles left by mourners in gravesites.
x6PP1 TIL that the spiny dogfish has one of the longest pregnancies on Earth, lasting up to two years.