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The liger is the offspring of a female tiger and a male lion and the tigon the offspring of a male tiger and a female lion. [45] The lion sire passes on a growth-promoting gene, but the corresponding growth-inhibiting gene from the female tiger is absent, so that ligers grow far larger than either parent species.
Animal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. It is the most common form of migration in ecology. It is found in all major animal groups, including birds, mammals, fish, reptiles, amphibians, insects, and crustaceans. The cause of migration may be local climate, local availability ...
In zoos, lions have been bred with tigers to create hybrids for the curiosity of visitors or for scientific purpose. [39] [40] The liger is bigger than a lion and a tiger, whereas most tigons are relatively small compared to their parents because of reciprocal gene effects. [41] [42] The leopon is a hybrid between a lion and leopard. [43]
Salmon and striped bass are well-known anadromous fish, and freshwater eels are catadromous fish that make large migrations. The bull shark is a euryhaline species that moves at will from fresh to salt water, and many marine fish make a diel vertical migration , rising to the surface to feed at night and sinking to lower layers of the ocean by day.
Animal navigation is the ability of many animals to find their way accurately without maps or instruments. Birds such as the Arctic tern, insects such as the monarch butterfly and fish such as the salmon regularly migrate thousands of miles to and from their breeding grounds, [1] and many other species navigate effectively over shorter distances.
GALÁPAGOS ISLANDS, Ecuador (AP) — Warm morning light reflects from the remains of a natural rock arch near Darwin Island, one of the most remote islands in the Galapagos. The 2021 collapse of ...
Winter is upon the North Texas and Southwestern Oklahoma region and the conditions of this season present challenges to our region’s wild animals. 'Move, change or die': How these animals adapt ...
After spending 60 days inside the reserve, Yadav finally got this image of a young female tiger, one of just a few photos captured of the black tigers. To see all 20 of National Geographic's ...