Photo: Western grebes walk on water

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Our photo of the day comes from San Luis Obispo, California.

Well look at them go! While they appear to actually be doing more of a scoot than a walk, these western grebes photographed by Rick Derevan are clearly showing off some skilles. Rick explains:

This is mating behavior among Western and Clark's Grebes. I've read that the "rushing" grebes could be both males, competing for a female or a male and female, solidifying the pair bond. And they are the largest vertebrates able to "walk" on water, because they can take 14-20 steps per second, compared to 5-6 for a fast human. It's a kick to watch.

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