Replica Polar Bear Skull Pontoporiidae are the only egg-laying mammals

are the only egg-laying mammals alive today

Homo erectus

All of these are likely adaptations to its slow movement

ribbon seal populations declined due to commercial over harvesting

Jaw Width 52 cm (20

Replica Polar Bear Skull Pontoporiidae are the only egg-laying mammalsPolar Bears are marine mammals and the largest land carnivore in the world. They are the only exclusively carnivorous bear in the world, feeding primarily on seals. Their large paws are specially adapted for swimming, and they can reach speeds of up to 6mph in the water. Male polar bears can weigh up to 800kg and are twice the size of females. Specifications: Product Type: Replica Product Material: High quality Polyurethane resin Skull Length: 39cm