News Round-Up

Poo’s clues: moose droppings indicate Isle Royale ecosystem health


Moose are picky eaters, and that’s a good thing for their ecosystems.

Given the choice between ice cream and vegetables, for many people it’ll be the ice cream. But sometimes it depends on the situation. If you’d eaten ice cream every day for a week, you might prefer the salad. Human preferences for different foods often depend on what’s common fare and what’s rare.

For non-human animals, like moose, the situation is equally complicated. An adult moose must eat approximately 40 pounds of vegetation per day just to keep itself going. Yet despite their need to consume large volumes of food every day, moose do not eat everything they come across. Instead, moose are considerably more selective than is obvious when deciding which plant species to eat. MORE

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