Which animal has the most difficult birth?

Perhaps the most horrifying birth is that of the spotted hyena. Females of this species give birth through a narrow, penis-like, enlarged clitoris. Their offspring emerge from this unusual birthing organ, almost indistinguishable from the male penis of the species, after 120 days of gestation.

What animal is pregnant the least?

The length of gestation varies from species to species. The shortest known gestation is that of the Virginian opossum, about 12 days, and the longest that of the Indian elephant, about 22 months.

What animal can delay pregnancy?

Most carnivores can pause their pregnancies, including all bears and most seals, but so can many rodents, deer, armadillos, and anteaters. More than a third of the species that take a breather during gestation are from Australia, including some possums and all but three species of kangaroo and wallaby.

Do animals suffer during pregnancy?

Many pregnant animals display symptoms similar to those experienced by pregnant women. But not enough research has been done to determine whether pregnant animals suffer from actual morning sickness.

Which animal has the biggest baby?

Blue whales
Blue whales give birth to the largest newborns in the world. Their calves can weigh up to a thousand kilograms and match the size of a small car. After indulging on its mother’s nutrient-rich milk, a blue whale calf grows so quickly that it puts on nearly 90 kilograms each day.

What animals give birth standing up?

Because of the extreme size of their offspring, giraffe mums give birth standing up so as to not damage their babies’ lengthy necks.

What animal stays pregnant for 9 years?

Elephants have the longest gestation period of all mammals. These gentle giants’ pregnancies last for more than a year and a half.

What animal is only pregnant for 3 months?

As marsupials, opossums give birth to helpless young which they carry inside their pouch for two to three months.

What animal can delay birth for up to two years?

ARMADILLOS FEELING STRESS CAN DELAY BIRTHS FOR 2 YEARS. The nine-banded armadillo is a master of family planning: If a pregnant female encounters severe environmental stress, she can halt the development of her embryo for a year or two, then allow it to resume when conditions improve.

How can kangaroos pause their pregnancy?

It just sits there and waits for the tenant in the pouch to vacate. This ability to suspend a pregnancy is called embyonic diapause and almost all kangaroos and wallabies are capable of it. The advantage to this is that mum can replace a joey very quickly if she loses one.

What mammal has the smallest baby?

honey possum
Elsewhere in the marsupial world, the honey possum is believed to be the smallest mammal at birth. Baby honey possums only weigh about 0.005 grams when they are born, eventually completing their gestation inside their mother’s pouch to reach a hefty 2.5 grams by the time they’re ready to venture out on their own.