One odd thing about the northern fur seals is how much the males differ from the females. It's not uncommon for male seals to be as much as 40% heavier than females, and also nearly five times as long. This doesn't prevent the species from breeding often however. Females reach their peak at an earlier date, around two to five years, while it takes males four to five. Strangely enough however, males usually won't attempt to breed until they're at least eight years of age.
Lucky for the seals, an international treaty was signed in 1911 to put a halt to the unnecessary slaughter of the animals. This was a historic event for both man and animal, as this was the first international treaty addressing wildlife preservation problems.
The seals have since bounced back and are now thriving. While the species is still on the "threatened" list, they have been upgraded to "Vulnerable," the highest level a creature can have while still remaining "threatened." If breeding continues as the current rate, the seals should have nothing to worry about.
When it comes to the male northern fur seal, nothing stops them from claiming the girl of their dreams. The seals are very protective of potential mates, sometimes doing more harm than good. It's not uncommon for two male to accidentally kill the female in the process while fighting, or playing tug-of-war with her.
The Northern fur seal is listed as Vulnerable (VU), considered to be facing a high risk of extinction in the wild, on the IUCN Red List of Threatened Species
Namings for the northern fur sealA young / baby of a northern fur seal is called a 'pup'. The females are called 'cow' and males 'bull'. A northern fur seal group is called a 'pod, colony, crash, flock, harem, bob, herd, rookery, team or hurd'.
Northern fur seal habitatsEstuaries, Marine Intertidal, Marine Neritic, Rocky Shoreline, Sandy Shoreline and / or Beaches, Sand Bars, Spits and Etc
Some facts about the
Northern fur seal
Adult weight : 165.5 kg (364.1 lbs)
Female maturity :1095 days
Male maturity : 2007 days
Gestation : 240 days
Weaning : 107 days
Litter size : 1
Litters per year : 1
Interval between litters : 365 days
Weight at birth : 5.281 kg (11.6182 lbs)
Weight at weaning : 12.925 kg (28.435 lbs)