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The Texas State Bison Herd is also a useful example of the deleterious effects of extreme population bottlenecking, with an average natality rate of 0.376 offspring per female and a 1st-year mortality rate of 52.6% from 1997 to 2002, compared to an average natality rate of 0.560 offspring per female and a 1st-year mortality rate of 4.2% for the ...
A bison calf resting with its mother. Female bison ("cows") typically reproduce after three years of age [50] and can continue beyond 19 years of age. [51] Cows produce calves annually as long as their nutrition is sufficient, but not after years when weight gain is low. Reproduction is dependent on a cow's mass and age. [51]
This man was clearly old enough to know better. ... That's not surprising since female bison weigh about 1,000 pounds and males can weigh up to 2,000. ... Giant bluefin tuna the size of a ...
Bison latifrons, also known as the giant bison or long-horned bison, is an extinct species of bison that lived in North America during the Late Pleistocene epoch ranging from southern Canada to Mexico. [2] It is noted for its large body size and its distinctive long horns. [3]
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The European bison (pl.: bison) (Bison bonasus) or the European wood bison, also known as the wisent [a] (/ ˈ v iː z ə n t / or / ˈ w iː z ə n t /), the zubr [b] (/ ˈ z uː b ə r /), or sometimes colloquially as the European buffalo, [c] is a European species of bison. It is one of two extant species of bison, alongside the American bison.
The bison are available to visit at Battelle Darby Creek park year round — even in the dead of winter thanks to their thick fur. "Their coats so well insulated, they won't even wink an eye like ...
Resembling the modern bison species, especially the American wood bison (Bison bison athabascae), [9] the steppe bison was over 2 m (6 ft 7 in) tall at the withers, reaching 900 kg (2,000 lb) in weight. [10] The tips of the horns were a meter apart, the horns themselves being over half a meter long.