field notes from 02/08/23

Pawnee National Grassland in late May

Drove out from Fort Collins before dawn. Pawnee at the end of May is peak short-grass prairie — McCown’s and Chestnut-collared Longspurs displaying over nothing but grass, Mountain Plovers on dirt patches where the cattle have flattened the ground. I worked the auto tour roads from the kiosk and also walked a small loop near Crow Valley. Ferruginous Hawk on a power pole stayed put long enough for a decent frame.

The wind on the prairie is the defining feature. I shot everything at 1/2000 or better and still had motion in some of the grass.

Chestnut-collared longspur on grass
Displaying male on a tuft of grass. Chestnut-collared Longspur 300mm, 1/1250s, f/5.6, ISO 200
Mccown's longspur with wings up
Flight display, briefly parked. McCown's Longspur 500mm, 1/1000s, f/8, ISO 640
Mountain plover on bare dirt
On a prairie dog town. Typical habitat. Mountain Plover 250mm, 1/800s, f/5.6, ISO 640
Ferruginous hawk on power pole
Big adult, rusty back. Ferruginous Hawk 400mm, 1/1000s, f/8, ISO 1250
Swainson's hawk on fence
On a fence post, unbothered. Swainson's Hawk 400mm, 1/1250s, f/6.3, ISO 1000
Lark bunting male
Big white wing patch. Lark Bunting 250mm, 1/800s, f/5.6, ISO 400
Horned lark on dirt road
On the road. Very much the prairie lark. Horned Lark 250mm, 1/1250s, f/6.3, ISO 200
Western meadowlark singing
Singing from fence wire. Western Meadowlark 300mm, 1/800s, f/6.3, ISO 200
Pronghorn in grass
Doe at about forty meters, didn't spook. Pronghorn 500mm, 1/1000s, f/8, ISO 800
Wide view of shortgrass prairie with clouds
The prairie. Mostly sky. Grassland 23mm, 1/250s, f/8, ISO 160
Burrowing owl at burrow
Outside a burrow at midday. Burrowing Owl 150mm, 1/800s, f/7.1, ISO 800