Here’s how hummingbird populations are doing in California.
An Anna’s hummingbird makes its way to the various fuchsia blooms on a bush at Irvine Regional Park in Orange on Wednesday, March 9, 2022. How much longer will Annie, Berkeley’s favorite peregrine falcon, continue to lay eggs?They drink nectar from flowers and sugar water from feeders. They also sip tree sap and eat small insects, when flowers are hard to find.Hummingbirds have superb eyesight. They see color better than humans, with their vision extending into the ultraviolet spectrum.
They sleep, but can also go into what’s called torpor, a sleep-like state with slower metabolism when migrating.“Most populations are doing fine. Most but not all,” Clark said. “In Southern California, the Calliope Hummingbirds used to breed in the San Gabriels and the San Jacintos, but in recent decades they have disappeared, and nearly disappeared from the San Bernardinos. I suspect climate change. There are still lots of them further north in the Sierras.
Most birds produce lift only when they flap their wings downwards, but hummingbirds can do so on the upstroke too by inverting their wings.Hummingbirds are solitary migrants. You won’t see them traveling in flocks.
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