![]() ![]() ( Read about rare moose triplets spotted in 2018 in Canada.) Resting birdsĪs birds fly south for the winter, several species take autumnal pit stops along the way.Īfter leaving the U.S. ![]() Research spanning nearly 40 years in Alaska’s Denali National Park has found that these victorious males-usually the largest and highest-ranking-are responsible for 88 percent of mating events.įemales birth their calves in the spring, usually starting in late May. From September to mid-October, males of the otherwise solitary moose-a species that ranges across the northern U.S., Canada, Alaska, and northern Europe-seek out other males to fight for access to females.Ī surge in testosterone causes the soft, fuzzy skin covering on moose antlers, called velvet, to shed, turning them into sharp weapons that they’ll wield in battle. Rutting deerĪ rut usually means being stuck, but for members of the deer family-including its largest species, the moose-it means mating season. Here are some species that go into overdrive when the leaves begin to fall. Studying such behaviors in wildlife can give scientists an insight into how they’ve adapted to cope with environmental challenges-such as frigid temperatures-and how such resilience can help them with future setbacks, such as rising temperatures due to climate change. (See gorgeous pictures that celebrate the arrival of fall.) Conversely, for many animals, it’s a season of intense preparation for the looming winter.įrom deer to birds to bears, many species are triggered by the shortening days to switch into a frenetic mode of gathering food, finding mates, and more. It’s officially fall, which for humans often means snuggling up inside and anticipating the holidays ahead. ![]()
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