The pink-footed goose is pinkish-grey with a dark head and neck, a pink bill and, not surprisingly, pink feet and legs. It likes to eat grain and potatoes. What was less well known about the pink-footed goose, until now, is that each bird is responsible for more than 100 kg of ¬carbon-dioxide emissions each year. The pink-footed goose: the bird with a carbon footprint four times larger than a patio heater. Unlike cows and sheep, the geese do not fart and burp out their sizable contribution to global warming. Rather, they free the carbon from the ground when they grub around in the Arctic soil for food.
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