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When these animals eat, partially digested food (cud) returns from the stomach for them to chew again. Pigs, for example, have split hooves, but they don’t chew their cud, so pork isn’t kosher.
The approved animals "chew the cud," which is another way of saying they are ruminants that eat grass. Pigs "cheweth not the cud" because they possess simple guts, unable to digest cellulose.
Rabbits eat their own poo. While some people might find that practice distasteful and say "Yuck", biologically it represents a highly efficient and successful solution to a digestive dilemma.
Reindeer can eat and sleep at the same time, a new study suggests. This timesaving strategy, described December 22 in Current Biology , adds to the number of ingenious ways animals can catch some ...
Reindeer’s amazing ability to eat and sleep simultaneously appears to be an adaptation to their life in the short Arctic summer, enabling them to fatten up without stopping so frequently to slumber.
Camels are herbivorous, cud-chewing mammals, yet are not true ruminants; instead, they are considered pseudo-ruminants. While ruminants have multi-chambered stomachs (which have been mistaken to ...
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