What Animal Has The Longest Pregnancy. Gestation periods for sharks vary, from about five to six months to two years [sources: At up to 23 months, elephants boast the longest gestation period of any land animal.
The african elephant has the longest gestation period followed by the asian elephant & sperm whale. Jonathan has a highly nutritional diet and is fed with apples, carrots, cucumber, banana and guava that make him stronger and tougher. Gestation periods for sharks vary, from about five to six months to two years [sources:
The african elephant has the longest gestation period followed by the asian elephant & sperm whale.
Tortoise is one of the animal which lives the longest among other species. Elephants have the longest gestation period of all mammals. The african elephant has the longest gestation period followed by the asian elephant & sperm whale. The african elephant has the longest gestation period followed by the asian elephant & sperm whale.