They have small ears so that they can retain heat in their cold climate. The red fox has large ears because they mainly live in temperate climates and arctic foxes need to stay warm and have smaller ears so heat won't escape. read more
They have small ears so that they can retain heat in their cold climate. The red fox has large ears because they mainly live in temperate climates and arctic foxes need to stay warm and have smaller ears so heat won’t escape. read more
This is an example of Allen's Rule, which states that animals in colder areas have smaller appendages than ones from warmer areas. The most-used examples are the foxes, arctic, red, and fennec, and the hares, snowshoe, European, and jackrabbit. read more