Certain capitalization rules, such as the capitalization of animal names, in English can sometimes confuse native and non-native speakers alike. Spell check programs may help but should not be trusted entirely. Working knowledge of capitalization rules can be more helpful.
The proper capitalization of animal names will depend on if the name is categorized as a regular noun or a proper noun.
The difference can be tricky. For example:
Another type of animal name that should be capitalized is the scientific name of a species. However, not all parts of the name will be capitalized. The International Code of Zoological Nomenclature breaks the scientific classification of animals into:
In this case, the generic name should be capitalized but not any other word in the name. For example, a dog would be Canis familiaris, a cat is Felis catus, and a horse is Equus caballus. Because these are considered Latin names, they follow Latin capitalization rules.