1. Mammals
a warm-blooded vertebrate animal of a class that is distinguished by the possession of hair or fur, females that secrete milk for the nourishment of the young, and (typically) the birth of live young.

2. "the valley is teeming with bird life"
birds
a warm-blooded egg-laying vertebrate animal distinguished by the possession of feathers, wings, a beak, and typically by being able to fly.
"the valley is teeming with bird life"

3. fishes
a limbless cold-blooded vertebrate animal with gills and fins living wholly in water.
"the huge lakes are now devoid of fish"
a person who is strange in a specified way.
"he is generally thought to be a bit of a cold fish"

4. reptiles
a cold-blooded vertebrate animal of a class that includes snakes, lizards, crocodiles, turtles, and tortoises. They are distinguished by having a dry scaly skin, and typically laying soft-shelled eggs on land.

5. Amphibians
a cold-blooded vertebrate animal of a class that comprises the frogs, toads, newts, salamanders, and caecilians. They are distinguished by having an aquatic gill-breathing larval stage followed (typically) by a terrestrial lung-breathing adult stage.

6. Invertebrates
an animal lacking a backbone, such as an arthropod, mollusc, annelid, coelenterate, etc. The invertebrates constitute an artificial division of the animal kingdom, comprising 95 per cent of animal species and about thirty different phyla.

7. The zoo is a great place for you to visit with all your family and friends The Zoo is a great place to discover and appreciate diverse and unusual creatures from tiny leaf-cutter ants to huge elephants. Learning about other species by watching their behaviour can offer us new insight into ourselves. prices Children £2.50 adults £5.00