Which animal has most gestation period?
Which animal has most gestation period?
Elephant
The African elephant has the longest gestation period followed by the Asian Elephant & Sperm Whale.
| Rank | Mammal | Days |
|---|---|---|
| 1 | Elephant (African) | 645 |
| 2 | Elephant (Asian) | 617 |
| 3 | Whale (sperm) | 480–590 |
| 4 | Rhinoceros (black) | 450 |
Why gestation period is different in different animals?
Generally, there are two main factors that contribute to the length of the gestation period: Animal size / mass – larger animals tend to have longer gestation periods (as they tend to produce larger offspring) The level of development at birth – more developed infants will typically require a longer gestation period.
What is the gestation period of camel?
Dromedary: 15 months
Bactrian camel: 13 months
Camels/Gestation period
What animal is born pregnant?
Aphid. Aphids, tiny insects found the world over, are “essentially born pregnant,” says Ed Spevak, curator of invertebrates at the St. Louis Zoo.
What animal stays pregnant for 9 years?
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.
What is the difference between pregnancy and gestation?
The unborn baby spends around 38 weeks in the uterus, but the average length of pregnancy, or gestation, is counted at 40 weeks. Pregnancy is counted from the first day of the woman’s last period, not the date of conception which generally occurs two weeks later.
What is the gestation period of a pig?
Wild boar: 120 days
Javan warty pig: 122 days
Pig/Gestation period
What is the gestation period for a chimpanzee?
243 days
Chimpanzee/Gestation period
What animals have babies without mating?
Greenflies, stick insects, aphids, water fleas, scorpions, termites and honey bees are all capable of reproducing without males, using parthenogenesis.
Which animal dies after childbirth?
There are four common species of animals who die soon after giving birth. These are the octopus, the squid, salmon and the common mayfly. For the most part, the males die soon after fertilizing the female’s eggs and the females live only long enough to birth their young before dying.
What animal has the shortest gestational period?
The animal with the shortest gestation period is the Virginia opossum, with an average of 12 days. However, opossums are marsupials and give birth to partially developed young.
What animal has the longest gestation period?
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).
Why do animals have different gestation periods?
In the course of evolution the duration of gestation has become adapted to the needs of the species. The degree of ultimate growth is a factor, smaller animals usually having shorter periods of gestation than larger ones.
What is the shortest pregnancy time for animals?
The stripe-faced dunnart, a tiny carnivorous marsupial found in Australia, has the shortest gestation period of any mammal of just 11 days. Females and males mature at 4 and 9 months of age respectively. They breed from July through February.
