Are they mammals or reptiles of North America or South America are tough like really tough skin or body to survive long falls or rocks that Brocken down inside cave? If so how they did must been evolving to survive such fates
How physical strong are African lion compared to bengal tiger and Siberan tiger Like how strong are they for dragging carcass around in their mouth, how strong is their physical muscular body for combat as siberan tiger is biggest but the lion looks more muscular body?
Mammals do they really lived in solitary like most felines, grizzly bears, and others. Why not have symbiotic relationship like badger with coyotes. Why not Siberian tigers or bears?
If it is an advantage to be a food specialist and thereby avoid the extra competition that generalists face from other generalists, then why aren't all birds specialists?
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