In this state, their metabolism will slow down to ⅕ of normal, conserving energy in cold weather and when food is more scarce.įacts gathered from these sources: Hummingbird Central, Discover Wildlife, and Perky PetĪ female Anna’s hummingbird in our front yard garden California Sycamore tree.Īs you can see, hummingbirds are essentially tiny balls of pure energy.
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