Ci glas
Mae'r rhywogaeth yma o siarc main a chain i'w gweld yn aml yn agos at y lan o amgylch ein harfordiroedd a gall dyfu i fod hyd at 6 troedfedd o hyd.
Mae'r rhywogaeth yma o siarc main a chain i'w gweld yn aml yn agos at y lan o amgylch ein harfordiroedd a gall dyfu i fod hyd at 6 troedfedd o hyd.
Glesni's first ever chick has hatched!
Glesni Lays 2nd Egg
Second Chick Arrives!
Guess the Date and Time that Glesni Lays Her First Egg
Guess When Glesni Will Lay Her First Egg!
The First Few Days
Three Eggs Here, and Clarach in Scotland
Chwiliwch am yr adar tal, gydag edrychiad cynhanes yma, yn sefyll yn dal fel delwau ar lan pyllau a llynnoedd, yn meddwl am eu pryd bwyd nesaf.
A Brief Recap, and What's Planned for This Year!
This brilliant red and white sea slug would make the perfect nudibranch for a Christmas card image or perhaps a football team mascot!
Large scale drainage in the UK has seen a massive reduction in the range of this sensitive aquatic plant which now only occurs in around 50 sites in England.