Physical constraints on thermoregulation and flight drive morphological evolution in bats
Energetic constraints of flight and thermoregulation have long been thought to explain why most bat species are small and live predominantly in […]
Category: Mammals
The tiny bodies of bats allow perfect balance between flight costs and heat dissipation
Many mammal species living in cold climates tend to have large bodies and short limbs to reduce heat loss – a general […]
Fur Keeps Heat in and Cold Water Out
Otters and seals have a two‑layer fur system that prevents water penetration and creates an insulating layer. Aquatic mammals such as otters […]
Polar Bear special by NHM
The National History Museum in London made a special about polar bears, explaining how the polar bear fur functions, part of this […]