The Dogs Trust in Bridgend says over 600 dogs arrived at the centre last year - a record high.
Staff believe the struggling economy has played a part, but added many people simply don't realise the time and money needed to care properly for a pet.
They have urged would-be owners to think long and hard before committing to a dog.
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A cold and frosty night with a warning for freezing fog inland. Coasts will feel slightly milder, remaining frost-free!
A man from the Rhondda Valley is celebrating the history of coal mining in South Wales - having his camper van sprayed with mining motifs.
Over 100 million bus rides were taken in Wales last year. But despite the number, some communities in Wales saw cuts to vital services.