How many baby Juan Fernández fur seals are in a litter?
A Juan Fernández fur seal (Arctocephalus philippii) usually gives birth to around 1 babies.
Upon birth, they weight 5.8 kg (12.78 lbs) and measure 4.7 cm (0′ 2″). They are a member of the Otariidae family (genus: Arctocephalus). An adult Juan Fernández fur seal grows up to a size of 1.7 meter (5′ 7″).
To have a reference: Humans obviously usually have a litter size of one ;). Their babies are in the womb of their mother for 280 days (40 weeks) and reach an average size of 1.65m (5′ 5″). They weight in at 62 kg (137 lbs), which is obviously highly individual, and reach an average age of 75 years.
The Juan Fernández fur seal (Arctocephalus philippii) is the second smallest of the fur seals, second only to the Galápagos fur seal. They are found only on the Pacific Coast of South America, more specifically on the Juan Fernández Islands and the Desventuradas Islands. There is still much that is unknown about this species. Scientists still do not know the average life span of this species, or the diet and behavior of males apart from the breeding season.
Other animals of the family Otariidae
Juan Fernández fur seal is a member of the Otariidae, as are these animals:
- Steller sea lion with 1 babies per pregnancy
- South American sea lion with 1 babies per pregnancy
- Arctocephalus forsteri with 1 babies per pregnancy
- South American sea lion with 1 babies per pregnancy
- South American fur seal with 1 babies per pregnancy
- Australian sea lion with 1 babies per pregnancy
- Subantarctic fur seal with 1 babies per pregnancy
- Galápagos fur seal with 1 babies per pregnancy
- New Zealand sea lion with 1 babies per pregnancy
- Northern fur seal with 1 babies per pregnancy
Animals that share a litter size with Juan Fernández fur seal
Those animals also give birth to 1 babies at once:
- Unstriped ground squirrel
- Grey-cheeked mangabey
- Common brushtail possum
- Bulmer’s fruit bat
- Western tree hyrax
- Pygmy ringtail possum
- Whiskered bat
- Yellow-bellied brush-furred rat
- Ribboned rope squirrel
- Jameson’s red rock hare
Animals with the same weight as a Juan Fernández fur seal
What other animals weight around 95 kg (209.44 lbs)?
- Pacific white-sided dolphin usually reaching 109.85 kgs (242.18 lbs)
- Lechwe usually reaching 88.02 kgs (194.05 lbs)
- Spotted seal usually reaching 99.02 kgs (218.3 lbs)
- Schomburgk’s deer usually reaching 106 kgs (233.69 lbs)
- Antarctic fur seal usually reaching 96.6 kgs (212.97 lbs)
- Jaguar usually reaching 84.26 kgs (185.76 lbs)
- Baikal seal usually reaching 89.5 kgs (197.31 lbs)
- Naemorhedus sumatraensis usually reaching 110 kgs (242.51 lbs)
- Mule deer usually reaching 84.31 kgs (185.87 lbs)
- Hirola usually reaching 78.6 kgs (173.28 lbs)
Animals with the same size as a Juan Fernández fur seal
Also reaching around 1.7 meter (5′ 7″) in size do these animals:
- Lesser kudu gets as big as 1.68 meter (5′ 6″)
- Harp seal gets as big as 1.73 meter (5′ 9″)
- Black wildebeest gets as big as 1.82 meter (6′ 0″)
- Bawean deer gets as big as 1.38 meter (4′ 7″)
- California sea lion gets as big as 2.02 meter (6′ 8″)
- Dama gazelle gets as big as 1.46 meter (4′ 10″)
- Mule deer gets as big as 1.52 meter (5′ 0″)
- Barbary sheep gets as big as 1.45 meter (4′ 10″)
- South American fur seal gets as big as 1.65 meter (5′ 6″)
- Alpaca gets as big as 1.72 meter (5′ 8″)