Our adorable Sumatran tiger cubs of course! Find out how to tell twins Karis and Achilles apart with our helpful tips...
We're pleased to announce that this year we welcomed the birth of our first ever baby aye-aye!
It's Reptile Awareness Day! One of the stars of ZSL London Zoo's Reptile House is our colourful caiman lizard. They can grow to around four feet long and have special teeth that crush the shells of the snails and crabs they hunt in the swamps of the Amazon basin.
We challenge you not to yawn at this #TBT montage of Edward on #InternationalSlothDay!