35 mm slide; color. Scientific Classification: Kingdom: Animalia; Phylum: Chordata; Class: Mammalia; Order: Carnivora; Family: Otariidae; Genus: Callorhinus; Genus species: Callorhinus ursinus. Animal characteristics: Head-Body Length: 1.5-2.1 m; Weight: 50-270 kg; Identification: The color of the northern fur seal can vary from gray to black to reddish to dark brown; Habitat: Oceans, coasts; Diet: Carnivore: very opportunistic; squid, herring, pollock, rockfish, lantern fish; Reproduction: Breeding takes place from June to August. Each female has only one pup; Social Structure: Northern fur seals are solitary; Behavior: Northern fur seals come to land only during the breeding season. Otherwise, all of their time is spent at sea; Status: Vulnerable; Interesting Facts: Predators of northern fur seals include killer whales, great white sharks, foxes, and Steller sea lions.