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I believe that I’ve mentioned that I’ve made a project this winter out of photographing as many sparrow species as possible. So far, I’ve photographed nine species. Here’s one of them, Cassin’s Sparrow.
This sparrow comes in two versions, gray and rufous. The individual depicted here is of the rufous variety; I don’t know whether this morph is the more common of the two. I photographed it on the Empire Ranch near Sonoita, an area of grasslands and low mesquite trees.
Sparrows are often very habitat-specific, meaning that different species have distinct preferences as to where they live. Cassin’s Sparrow is a good example. This species prefers arid grasslands with scattered shrubbery, precisely what one finds on the Empire Ranch and throughout Sonoita.
Some species of sparrows travel in flocks. Cassin’s Sparrows, by contrast, are solitary. I found this individual sitting by itself on a mesquite tree. There were other sparrows nearby but no others of this species.
Images made with a Canon 5Diii, 100-400mm ISII zoom lens+1.4x telextender, aperture priority setting, ISO 640, f8 @ 1/2500.