The Silver Y migrates to the UK in massive numbers each year - sometimes, an estimated 220 million can reach our shores in spring! Seen throughout the year, it is very common in gardens and…

Mae'r siarc main yma’n cael ei enw o'r pigau o flaen ei asgell ddorsal. Gall ddefnyddio'r pigau yma i amddiffyn ei hun drwy gyrlio mewn bwa a tharo ysglyfaethwr.

The porbeagle shark is a member of the shark family Lamnidae, making it one of the closest living relatives of the great white shark.

Efallai bod bronwennod yn edrych yn hoffus ond maen nhw’n gallu bwyta llygod pengrwn, llygod ac adar mewn dim o dro! Maen nhw’n perthyn i ddyfrgwn a charlymod, sy’n amlwg o weld eu corff main, hir…

This funny-looking fish certainly won't be winning any beauty pageants, but it's a real contender for Father of the Year!

Chinese water deer are easily distinguished from other deer by their strange teddy bear like appearance and the huge canine tusks displayed by the stags.

These gruesome sounding creatures are actually a type of coral! They get their name as they branch out into lobes as they grow - making them look like fingers on a hand.

This large shrike visits the UK in small numbers each year, passing through on migration or spending the winter here.