How much and how often a wolf eats
Wolves can go days on end without food. They can also eat 20 pounds of meat in a single sitting.
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“More food is thrown out each day in the United States than is needed to feed its hungry . . . by McDonalds.”
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Why are whales bad for you?
Beluga whales are at the top of the food chain. A nice distinction, but it also means they acquire the sum total of toxins acquired by organisms all the way down the chain because these toxins such as PCB and heavy metal poisoning don't break down. Belugas, in fact, are so full of contaminants, when they are found beached they qualify as a toxic biohazard.
beluga whales are toxic biohazards
Beluga whales are at the top of the food chain. A nice distinction, however, it also means they acquire the sum total of toxins in the organisms in that chain. Since PCBs and heavy metals don't break down in any organism they accumulate instead.
So when a Beluga eats a salmon that ate a crustacean that grubbed on some plant, all the PCBs and heavy metals that these organisms absorbed end up in the beluga.
Belugas, in fact, are so full of contaminants, when they are found beached they qualify as a toxic biohazard.