Which one of the following pairs is not a poikilothermic animal

Poikilothermic animals are referred as cold-blood animals. The temperature of their body changes with the temperature of surroundings.

i. Fishes, amphibians and reptiles are cold-blood animals. Hence they are poikilothermic animals.

ii. Aves and mammals are warm-blood animals. Hence this pair is not a poikilothermic animal.