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.

With black-and-yellow markings, the Hornet robberfly looks like its namesake, but is harmless to us. This mimicry helps to protect it from predators while it perches in the open, waiting for its…

Blink and you may miss the fantastic kingfisher! This beautiful bird is easy to recognise thanks to its bright blue and metallic copper colours. It darts along the riverbank or sits patiently on a…

Arrowhead is an aquatic plant of shallow water and slow-moving waterways. In bloom over summer, it displays small, white flowers, but it is the arrow-shaped leaves that are most distinctive.

With its prominent, wavy crest, the great crested newt, also known as the 'warty newt', looks like a mini dinosaur! This protected species favours clean ponds during the breeding season…

With ginger hairs, dark banding and a cream tail, the Narcissus bulb fly looks like a bumble bee, but is harmless to us. This mimicry helps to protect it from predators while it searches for…