Examples of common names not capitalised:
• A cat sat on the porch.
• The elephant was playing in the water.
• We saw a monkey swinging from a tree.
Examples of proper names capitalised:
• My dog, Sparky, loves to play fetch.
• Luna the cat is very affectionate.
• We went to the zoo and saw Charlie, the chimpanzee.
Remember, the key is to consider the specific context and the role of the animal name within the sentence to determine whether capitalisation is necessary.