A zoo collection is a group of ANIMALS that are kept in captivity for the purpose of public display and education. The term 'zoo collection' can refer to a variety of different species, from mammals to reptiles to birds. The crossword solutions for the term 'zoo collection' are ANIMALS, which is a seven-letter word. ANIMALS are the most common type of creature found in a zoo collection, and they are typically kept in enclosures that mimic their natural habitats.