A 28-year study of the penguins that hatch on the Argentina coast shows that heavy rains and extreme heat have contributed to the deaths of hatchlings.
Over 200,000 pairs of Magellanic penguins come to the desert-like peninsula every fall to roost. While starvation and predators are the main causes of death for the baby penguins -- two-thirds of which annually do not survive -- a new study says climate change also plays a direct role in many deaths.
"We're going to see years where almost no chicks survive if climate change makes storms bigger and more frequent during vulnerable times of the breeding season as climatologists predict." Ginger Rebstock, study co-author
Penguin chicks younger than six weeks old are particularly vulnerable to hypothermia due to rainstorms since they haven't fully developed waterproof plumage. The researchers predicted that other Magellanic penguin colonies on the continent are responding similarly to shifts in weather patterns.
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