Ovenbirds
One of the warblers that is an annual spring migrant on the Chico, Ovenbirds are necessarily dull in plumage because […]
The Natural History Journal
Big Bad Bird Predator
This winter I reported up to 14 Long-eared Owls were roosting in the banding station woods. The need to keep […]
Watch Your Step
Hawk food for sure but the annual warning here to watch where you are stepping on warm days. I didn’t […]
Rare Bird: Golden-Winged Warbler
warbA female Golden-winged Warbler was found on Sunday in the willows below the small headquarters pond. It was still there […]
Time for Phalaropes
The three species of phalaropes are shorebirds who forage mostly on the water’s surface where there is a midge hatch […]
Chestnut-Sided Warbler
One of the few warblers with chestnut coloration, Chestnut-sided Warbler is an eastern species so Monday’s birders were happy to […]
Bird Predator
Many birders who come to Chico have never seen a swift fox here. But, driving in the shortgrass prairie 2-tracks […]
Black Terns at Headquarters Pond
One of the prettiest birds seen in both spring and fall at Chico is the Black Tern. Terns are notorious […]
Ground Nesting Bird Warning
American Badger is a resident on the plains and Chico is no exception. Although their primary food source on the […]
Lark Bunting
Colorado’s State Bird, Lark Bunting. Males (here) and females are noticeably different in appearance. These sparrows, not buntings, are birds […]
I’m so Special
The bird who sings his name all day long, Dickcissel, seems to me to be singing…”I’m so special” over and […]
Grasshopper Sparrow
All habitats have grasshoppers. Native grasslands have the most grasshopper species and they become food for all grassland birds. It […]
Pronghorn Progress Report
In February 2018, Colorado Parks and Wildlife captured and radio-collared five additional animals on the Chico as part of their ongoing study of pronghorn movement and behavior in southeastern Colorado.
The Teal Called Northern Shoveler
Read this and the next two entries to see how Northern Shoveler (above photo) is a teal, very closely related to Blue-winged Teal and Cinnamon Teal.
Adios Long-Eared Owls
Long-eared Owls, sometimes wintering on the Chico, are vole specialists. Although they nest and roost in dense habitats, they hunt in open areas.
Come on Warblers
The first “good” warbler of spring was a singing male Northern Parula in the headquarters willows.
Our Largest Sparrow
Closely related to the common wintering White-crowned Sparrow, the largest sparrow in North America, Harris’s Sparrow, was feeding on the ground next to the Leather Shop, feeding with other Zonotrichia...
Bird Food: Tiger Beetles
Unobserved by most humans, but not to birds who forage on the ground, tiger beetles are beginning to emerge from burrows.
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