What is the maximal age a Grey seal reaches?
An adult Grey seal (Halichoerus grypus) usually gets as old as 46.67 years.
Grey seals are around 346 days in the womb of their mother. When born, they weight 14 kg (30.86 lbs) and measure 15.7 cm (0′ 7″). As a member of the Phocidae family (genus: Halichoerus), their offspring is 1 babies per pregnancy. Fully grown, they reach a bodylength of 2.08 meter (6′ 10″).
As a reference: Usually, humans get as old as 100 years, with the average being around 75 years. After being carried in the belly of their mother for 280 days (40 weeks), they grow to an average size of 1.65m (5′ 5″) and weight in at 62 kg (137 lbs), which is obviously highly individual.
The grey seal (Halichoerus grypus) is found on both shores of the North Atlantic Ocean. It is a large seal of the family Phocidae, which are commonly referred to as “true seals” or “earless seals”. It is the only species classified in the genus Halichoerus. Its name is spelled gray seal in the US; it is also known as Atlantic seal and the horsehead seal.
Animals of the same family as a Grey seal
Not really brothers and sisters, but from the same biological family (Phocidae):
- Weddell seal becoming 25 years old
- Crabeater seal becoming 39 years old
- Bearded seal becoming 31.42 years old
- Caspian seal becoming 50 years old
- Harbor seal becoming 40 years old
- Spotted seal becoming 35.5 years old
- Hawaiian monk seal becoming 30 years old
- Caspian seal becoming 50 years old
- Leopard seal becoming 26 years old
- Baikal seal becoming 56 years old
Animals that reach the same age as Grey seal
With an average age of 46.67 years, Grey seal are in good companionship of the following animals:
- Bonobo usually reaching 48 years
- Lar gibbon usually reaching 40 years
- Ringed seal usually reaching 46 years
- Beluga whale usually reaching 40 years
- Short-beaked echidna usually reaching 50 years
- Polar bear usually reaching 38.17 years
- Burchell’s zebra usually reaching 40 years
- Hippopotamus usually reaching 54.5 years
- Common bottlenose dolphin usually reaching 46 years
- Crabeater seal usually reaching 39 years
Animals with the same number of babies Grey seal
The same number of babies at once (1) are born by:
- Silky anteater
- Indo-Pacific humpback dolphin
- Lesser long-fingered bat
- Fulvus roundleaf bat
- South Asian river dolphin
- Mauritian flying fox
- Spectral tarsier
- Chestnut-bellied titi
- Melck’s house bat
- Harbor seal
Weighting as much as Grey seal
A fully grown Grey seal reaches around 197.29 kg (434.94 lbs). So do these animals:
- Thorold’s deer weighting 161.68 kilos (356.44 lbs) on average
- Brown fur seal weighting 178.75 kilos (394.08 lbs) on average
- Anoa weighting 180.86 kilos (398.73 lbs) on average
- Equus onager weighting 205 kilos (451.95 lbs) on average
- Australian sea lion weighting 189.14 kilos (416.98 lbs) on average
- South American sea lion weighting 194 kilos (427.7 lbs) on average
- Greater kudu weighting 205.53 kilos (453.12 lbs) on average
- Ross seal weighting 208.63 kilos (459.95 lbs) on average
- Atlantic white-sided dolphin weighting 186.76 kilos (411.73 lbs) on average
- Okapi weighting 230 kilos (507.06 lbs) on average
Animals as big as a Grey seal
Those animals grow as big as a Grey seal:
- Lion with 1.84 meter (6′ 1″)
- Malayan tapir with 2.22 meter (7′ 4″)
- Pacific white-sided dolphin with 2.21 meter (7′ 3″)
- South American sea lion with 2.11 meter (7′ 0″)
- Takin with 1.74 meter (5′ 9″)
- Short-beaked common dolphin with 2.44 meter (8′ 1″)
- Okapi with 2 meter (6′ 7″)
- Spinner dolphin with 2.13 meter (7′ 0″)
- South American sea lion with 2.12 meter (7′ 0″)
- Arctocephalus forsteri with 1.71 meter (5′ 8″)