An Asian elephant has given birth to an adorable baby calf following 20 months of pregnancy. Thirty-year-old elephant Rose-Tu finally gave birth on Saturday as the Oregon Zoo in Portland welcomed ...

On Saturday, the Oregon Zoo welcomed its newest resident as Rose-Tu, a 30-year-old Asian elephant, gave birth to her calf after more than 20 months of pregnancy. The calf was born at 4:29 p.m ...

Interestingly, cows’ gestation periods are a similar length to human gestation periods, which typically last about 280 days. Cow pregnancies may seem long, but they’re nothing when compared to the 645 ...

Elephants do indeed have one of the most extended gestation periods of any mammal, but the actual length of time can vary. Female elephants generally carry their young for around 22 months or under ...

PORTLAND Ore. (KPTV) - The Oregon Zoo says one of its elephants could give birth any day now. Rose-Tu is 20 months pregnant as of Monday, and her due date is expected to come sometime between the ...

The organization first announced that Asian elephant Rose-Tu was pregnant with her third calf in late 2023. With elephants’ gestation periods lasting between 18 and 22 months, Oregonians are now ...

UCSF researchers discovered a molecular timer that gets activated in the first days of pregnancy and influences when mice give birth. A typical human pregnancy lasts 40 weeks, but most parents ...