Adfer Ratty: Un o’r mamaliaid sy’n dirywio gyflymaf yn y DU
Mae blog yr wythnos hon yn edrych ar gynefinoedd y mamal poblogaidd hwn, llygoden bengron y dŵr.
Speckled wood butterfly - Vicky Nall
Mae blog yr wythnos hon yn edrych ar gynefinoedd y mamal poblogaidd hwn, llygoden bengron y dŵr.
Europe's largest frog is not naturally found in the UK, but was introduced to Kent and has spread throughout the southeast.
One of our largest soldier beetles, often found on flowers where they hunt other insects.
The emperor dragonfly is an impressively large and colourful dragonfly of ponds, lakes, canals and flooded gravel pits. It flies between June and August and even eats its prey on the wing.
The ocean sunfish is the second largest bony fish on the planet and visits UK seas during the summer months to feast on jellyfish.
Keep up to date with the Gofod Glas creative team and find out about events near you in and around the valleys of Conwy.
One of our largest and most impressive solitary wasps, the bee wolf digs a nest in sandy spots and hunts honey bees.
Caddisflies are a large order of insects that can be found in all kinds of wetlands. The larvae are known for making cases to pupate in, gathering stones, sand and leaves, and wrapping them with…
The largest of the UK wrasse species, the ballan wrasse with its striking patterning is a delight for any rocky reef snorkeller or shallow water diver!
This elegant tern is named for the rosy flush to its summer plumage. With just one regular nesting colony, it is the rarest breeding seabird in the UK.
This gentle giant is the largest shark in UK seas, reaching up to 12m in length. There's no need to fear them though, they only eat plankton!