What animal has the longest pregnancy?

Elephant Gestation
At up to 23 months, elephants boast the longest gestation period of any land animal. They also boast big babies: a newborn elephant weighs about 230 pounds (105 kilograms).
Takedown request   |   View complete answer on livescience.com


What animal is pregnant for the longest?

Elephants have the longest pregnancy period of any living mammal. If you – or someone you know – has experienced a pregnancy that seemed to go on forever, spare a thought for the elephant. It's the animal with one of the longest gestation periods of all living mammals: nearly two years.
Takedown request   |   View complete answer on bbcearth.com


What animal has the shortest pregnancy?

The shortest known gestation is that of the Virginian opossum, about 12 days, and the longest that of the Indian elephant, about 22 months. In the course of evolution the duration of gestation has become adapted to the needs of the species.
Takedown request   |   View complete answer on britannica.com


What animal gets pregnant by itself?

The boa constrictor, monitor lizard and Komodo dragon are both capable of becoming pregnant without male fertilization, by parthenogenesis.
Takedown request   |   View complete answer on animals.mom.com


Which is the animal that never sleeps?

Bullfrogs… No rest for the Bullfrog. The bullfrog was chosen as an animal that doesn't sleep because when tested for responsiveness by being shocked, it had the same reaction whether awake or resting.
Takedown request   |   View complete answer on askabiologist.asu.edu


Animals Pregnancy Period Comparison | Shortest To Longest Animals Gestation Period



How long are lions pregnant for?

Gestation in lions is about 110 days and mean litter size is 2.3 (Schaller 1972). Females cease lactation when their cubs are 5-8 mo old (Schaller 1972), but do not resume sexual activity until their cubs are about 18 mo old (Bertram 1975; Packer and Pusey 1983).
Takedown request   |   View complete answer on cbs.umn.edu


Which animal gives birth only once?

Large mammals, such as primates, cattle, horses, some antelopes, giraffes, hippopotamuses, rhinoceroses, elephants, seals, whales, dolphins, and porpoises, generally are pregnant with one offspring at a time, although they may have twin or multiple births on occasion.
Takedown request   |   View complete answer on en.wikipedia.org


Which animal gives birth to baby and dies?

Mother octopuses never meet their babies, as they stop eating and die of starvation before the young hatch.
Takedown request   |   View complete answer on discoverwildlife.com


What animal has the biggest litter?

The tailless tenrec of Madagascar has litters of up to 32, according to the IUCN, while the naked mole rat has an average of 28. A tailess tenrec (Tenrec ecaudatus) in Madagascar.
Takedown request   |   View complete answer on nationalgeographic.com


What male animals get pregnant?

Seahorses and their close relatives, sea dragons, are the only species in which the male gets pregnant and gives birth. Male seahorses and sea dragons get pregnant and bear young—a unique adaptation in the animal kingdom.
Takedown request   |   View complete answer on oceanservice.noaa.gov


How long is a giraffe pregnant for?

The average gestation period for giraffe is 453-464 days or approximately 15 months.
Takedown request   |   View complete answer on giraffeconservation.org


How long are giraffes pregnant for?

Mums are pregnant for a long time

While carrying a baby for nine months may seem like long enough for some human mothers, spare a thought for giraffes who have gestation periods of 15 months!
Takedown request   |   View complete answer on monartosafari.com.au


Can 2 male lions mate?

"Male lions “mating” with other males is not an altogether uncommon occurrence," the told Traveller24. "This behaviour is often seen as a way of asserting dominance over another male, or a way of reinforcing their social bonds. Lions' social structures can be a complex system," he says.
Takedown request   |   View complete answer on news24.com


How long are elephants pregnant for?

Marathon pregnancy

Elephants are highly sociable mammals with a high level of intelligence similar to that of great apes and dolphins. They have the longest-known gestational period of any animal, lasting up to 680 days.
Takedown request   |   View complete answer on bbc.com


Do male lions mate with their daughters?

A single male might often not be in control for long enough to mate with his grown daughters. Females do not only mate with the leader of their pride, but mate sometimes with males from outside of the pride.
Takedown request   |   View complete answer on biology.stackexchange.com


What animal has 32 brains?

Leech has 32 brains. A leech's internal structure is segregated into 32 separate segments, and each of these segments has its own brain.
Takedown request   |   View complete answer on byjus.com


What animal never dies?

To date, there's only one species that has been called 'biologically immortal': the jellyfish Turritopsis dohrnii. These small, transparent animals hang out in oceans around the world and can turn back time by reverting to an earlier stage of their life cycle.
Takedown request   |   View complete answer on science.org.au


What animals do not poop?

Are there any animals that don't poop?
  • Tardigrades - These little alien-like critters only excrete when they molt. ...
  • Demodex mites (face mites) - These little stowaways lack any form of an anus. ...
  • Jellyfish - Jellyfish is yet another animal that lacks an anus.
Takedown request   |   View complete answer on interestingengineering.com


Can males get pregnant?

People who are born male and living as men cannot get pregnant. A transgender man or nonbinary person may be able to, however. It is only possible for a person to be pregnant if they have a uterus. The uterus is the womb, which is where the fetus develops.
Takedown request   |   View complete answer on medicalnewstoday.com


Can humans self impregnate?

Self-fertilization may also occur in human. A scenario is presented here for a woman to have a son without a father: she is a chimera of 46,XX/46,XY type resulting from the fusion of two zygotes of different sex types and she develops both ovary and testis in her body.
Takedown request   |   View complete answer on pubmed.ncbi.nlm.nih.gov
Previous question
What did Dabi tell Hawks?