📅 How Long Do Animals Stay Pregnant? 🐾 🐘 Elephant: 22 months The longest pregnancy of any land animal. Baby elephants take their time! 🦭 Walrus: 15 months These marine mammals carry their pups for over a year before giving birth. 🐬 Dolphin: 10 months Smart and social, dolphins have pregnancies similar in length to humans. 🐄 Cow: 9–10 months Cows, like humans, have relatively long gestation for a farm animal. 🦛 Hippo: 8 months These water-loving giants have a shorter pregnancy than cows. 🐐 Goat: 5 months Goats multiply quickly thanks to their relatively short gestation. 🐱 Cat: 2 months Cats are fast reproducers with just a two-month pregnancy. 🐕 Dog (general): 2 months Most dog breeds have a quick 2-month turnaround. 🦘 Kangaroo: 4–5 weeks Surprisingly short! Joeys are born tiny and develop in the pouch. 🐭 Mouse: 3 weeks Mice multiply rapidly with one of the shortest gestations in mammals.