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WRS Survey Summary

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RouteNunn Raptor Alley Route (1280)
Location Colorado, United States
Survey date 2022-12-23
Survey ID1463




Survey Conditions

Survey Date: 2022-12-23Start Time: 10:00:00End Time: 13:50:00
Temperature-17 (C)-14 (C)
Cloud Cover0 (%)0 (%)
Visibility0 (km)0 (km)
Precipitation0: None0: None
Wind Speed0: less than 1km/h (Calm)2: 6-11 km/h (4-7 mph)
Wind Direction---E
WaterFrozenFrozen
Snow Depth2 (in)2 (in)
Observer 1Robert Beauchamp
Observer 2
Observer 3
Observer 4
Notes Route conducted on Friday, Dec 23. Bomb cyclone weather event occurred over night Dec 21 into Dec 22 with about 3" of snow and two day temperatures with lows of about -18 dgr F and highs of +5 dgr F.




Survey Sightings

SpeciesTimeCountBehaviorMorphAgeSexHabitat
RT (Red-tailed Hawk)10:20:001Perched Adult•developed
BE (Bald Eagle)10:40:002Perched Adult•developed
FH (Ferruginous Hawk)10:50:001Perched Adult•dirt agriculture•grassland
RT (Red-tailed Hawk)11:00:001Perched Adult•grassland
NH (Northern Harrier)11:20:001Flying Female•grassland
PR (Prairie Falcon)11:30:001Perched LightAdult•developed
AK (American Kestrel)11:50:001Perched AdultMale•developed•fallow agriculture
AK (American Kestrel)11:55:001Perched AdultFemale•grassland
FH (Ferruginous Hawk)12:00:001Perched Adult•stubble agriculture
RT (Red-tailed Hawk)12:00:001Perched Adult•stubble agriculture
RT (Red-tailed Hawk)12:15:001Flying Adult•grassland
RT (Red-tailed Hawk)12:25:001Perched Adult•grassland
NH (Northern Harrier)12:30:001Flying AdultMale•stubble agriculture
RL (Rough-legged Hawk)12:45:001Perched Adult•grassland
BE (Bald Eagle)12:50:001Flying Immature•grassland
RT (Red-tailed Hawk)12:55:001Perched Adult•grassland
FH (Ferruginous Hawk)13:05:001Perched Adult•grassland
RT (Red-tailed Hawk)13:05:001Perched Adult•grassland
GE (Golden Eagle)13:40:001Perched Adult•grassland



Survey totals by species

SpeciesTotal Count
RT (Red-tailed Hawk)7
BE (Bald Eagle)3
FH (Ferruginous Hawk)3
NH (Northern Harrier)2
PR (Prairie Falcon)1
AK (American Kestrel)2
RL (Rough-legged Hawk)1
GE (Golden Eagle)1
Total20