How many baby Ribbon seals are in a litter?
A Ribbon seal (Phoca fasciata) usually gives birth to around 1 babies.
Each of those little ones spend around 299 days as a fetus before they are released into the wild. Upon birth, they weight 10.2 kg (22.49 lbs) and measure 6.9 cm (0′ 3″). They are a member of the Phocidae family (genus: Phoca). An adult Ribbon seal grows up to a size of 1.54 meter (5′ 1″).
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 ribbon seal (Histriophoca fasciata) is a medium-sized pinniped from the true seal family (Phocidae). A seasonally ice-bound species, it is found in the Arctic and Subarctic regions of the North Pacific Ocean, notably in the Bering Sea and Sea of Okhotsk. It is distinguished by its striking coloration, with two wide white strips and two white circles against dark brown or black fur.It is the only living species in the genus Histriophoca, although a possible fossil species, H. alekseevi, has been described from the Miocene of Moldova.
Other animals of the family Phocidae
Ribbon seal is a member of the Phocidae, as are these animals:
- Baikal seal with 1 babies per pregnancy
- Spotted seal with 1 babies per pregnancy
- Caribbean monk seal with 1 babies per pregnancy
- Caspian seal with 1 babies per pregnancy
- Ringed seal with 1 babies per pregnancy
- Crabeater seal becoming 39 years old
- Caspian seal with 1 babies per pregnancy
- Hawaiian monk seal with 1 babies per pregnancy
- Grey seal with 1 babies per pregnancy
- Mediterranean monk seal with 1 babies per pregnancy
Animals that share a litter size with Ribbon seal
Those animals also give birth to 1 babies at once:
- Lesser noctule
- Mauritian flying fox
- Chiapan deer mouse
- Dent’s mona monkey
- African palm civet
- Eastern rock elephant shrew
- Black bearded saki
- South Andean deer
- Greater dog-like bat
- Edwards’s long-tailed giant rat
Animals that get as old as a Ribbon seal
Other animals that usually reach the age of 31 years:
- Toque macaque with 35 years
- South American tapir with 35 years
- Black-and-white ruffed lemur with 32 years
- Brown long-eared bat with 30 years
- Cat with 34 years
- Mantled howler with 25 years
- American black bear with 32 years
- Brown woolly monkey with 30 years
- Grey-cheeked mangabey with 32.67 years
- Stump-tailed macaque with 30 years
Animals with the same weight as a Ribbon seal
What other animals weight around 90 kg (198.42 lbs)?
- Arabian oryx usually reaching 75.43 kgs (166.29 lbs)
- Short-beaked common dolphin usually reaching 79.29 kgs (174.8 lbs)
- Sitatunga usually reaching 75.28 kgs (165.96 lbs)
- Ribbon seal usually reaching 90 kgs (198.42 lbs)
- Juan Fernández fur seal usually reaching 95 kgs (209.44 lbs)
- Schomburgk’s deer usually reaching 107.63 kgs (237.28 lbs)
- Lechwe usually reaching 88.02 kgs (194.05 lbs)
- Jaguar usually reaching 84.26 kgs (185.76 lbs)
- Javan warty pig usually reaching 89.2 kgs (196.65 lbs)
- Arctocephalus forsteri usually reaching 101.13 kgs (222.95 lbs)
Animals with the same size as a Ribbon seal
Also reaching around 1.54 meter (5′ 1″) in size do these animals:
- Anoa gets as big as 1.58 meter (5′ 3″)
- Barbary sheep gets as big as 1.45 meter (4′ 10″)
- Mongolian gazelle gets as big as 1.24 meter (4′ 1″)
- Grant’s gazelle gets as big as 1.53 meter (5′ 1″)
- Philippine warty pig gets as big as 1.35 meter (4′ 6″)
- South Andean deer gets as big as 1.55 meter (5′ 2″)
- Bornean bearded pig gets as big as 1.35 meter (4′ 6″)
- Saola gets as big as 1.75 meter (5′ 9″)
- Juan Fernández fur seal gets as big as 1.7 meter (5′ 7″)
- Gemsbok gets as big as 1.62 meter (5′ 4″)