Main
Survey Map

Login


About WRS

Documents/Forms


WRS Survey Summary

[Login] to see full survey details.


Select Route:
Survey Date:



RouteRocky Mountain Arsenal NWR to Barr Lake and west of DIA, CO (1267)
Location Colorado, USA
Survey date 2024-02-18
Survey ID1861




Survey Conditions

Survey Date: 2024-02-18Start Time: 08:50:00End Time: 15:30:00
Temperature2 (C)12 (C)
Cloud Cover55 (%)90 (%)
Visibility18 (km)18 (km)
Precipitation0: None0: None
Wind Speed2: 6-11 km/h (4-7 mph)2: 6-11 km/h (4-7 mph)
Wind DirectionWS
WaterMostly openMostly open
Snow Depth0 (in)0 (in)
Observer 1Ajit Antony
Observer 2Liza Antony
Observer 3
Observer 4
Notes Unseasonably warm. Our survey was postponed from yesterday to today because of a few inches of snow 2 nights before.
The highlights were 4 Prairie Falcon, 1 Prairie Merlin, 6 Ferruginous Hawk, 1 Krider's Hawk, and 1 Harlan's Hawk.




Survey Sightings

SpeciesTimeCountBehaviorMorphAgeSexHabitat
BE (Bald Eagle)09:00:003Flying Perched Adult•wetland/pond/marsh/riparian•grassland
BE (Bald Eagle)09:00:003Perched Immature•wetland/pond/marsh/riparian•grassland
BE (Bald Eagle)09:05:001Perched Adult•wetland/pond/marsh/riparian•grassland
BE (Bald Eagle)09:15:001Perched Adult•grassland
AK (American Kestrel)09:20:001Flying Perched •grassland
NH (Northern Harrier)09:20:001Flying Immature•grassland
RT (Red-tailed Hawk)09:25:001Flying Perched Intermediate•grassland
BE (Bald Eagle)09:45:002Perched Adult•grassland•wetland/pond/marsh/riparian
BE (Bald Eagle)09:45:002Perched Adult•grassland•wetland/pond/marsh/riparian
FH (Ferruginous Hawk)09:50:001Perched LightAdult•grassland
BE (Bald Eagle)09:55:001Perched Adult•grassland
BE (Bald Eagle)09:55:001Perched Immature•grassland•developed
FH (Ferruginous Hawk)10:00:001Flying LightImmature•grassland
AK (American Kestrel)10:05:001Flying Perched AdultFemale•roadsides•grassland
RT (Red-tailed Hawk)10:05:001Flying Perched Light•grassland
RT (Red-tailed Hawk)10:10:001Flying Perched Light•grassland
RT (Red-tailed Hawk)10:35:002Soaring
RT (Red-tailed Hawk)10:35:002Soaring LightImmatureforested
RT (Red-tailed Hawk)10:40:001Flying Perched LightImmature•roadsides•grassland•shrubland
RT (Red-tailed Hawk)10:40:003Flying Perched LightAdult
RT (Red-tailed Hawk)10:40:002Soaring
NH (Northern Harrier)10:45:001Flying Immature
AK (American Kestrel)10:50:001Perched •roadsides
RT (Red-tailed Hawk)10:55:001Perched Light•roadsides•grassland
RT (Red-tailed Hawk)11:00:001Perched Light•grassland•developed
RT (Red-tailed Hawk)11:00:004Soaring LightAdult
AK (American Kestrel)11:10:001Perched AdultMale•roadsides•grassland•shrubland
RT (Red-tailed Hawk)11:10:001Flying Perched LightImmature•roadsides•grassland•shrubland
FH (Ferruginous Hawk)11:30:001Perched LightImmature•roadsides•stubble agriculture
RT (Red-tailed Hawk)11:30:001Flying Perched LightAdult•roadsides•stubble agriculture
AK (American Kestrel)11:40:001Flying Perched •roadsides•stubble agriculture
BE (Bald Eagle)11:45:001Perched Adult•developed•grassland
FH (Ferruginous Hawk)11:55:001Perched Light•dirt agriculture
BE (Bald Eagle)12:00:001Perched Adult•roadsides•stubble agriculture
BE (Bald Eagle)12:00:001Perched Adult•wetland/pond/marsh/riparian
RT (Red-tailed Hawk)12:00:001Perched LightAdult•roadsides•stubble agriculture
RT (Red-tailed Hawk)12:00:001Perched Light•wetland/pond/marsh/riparian
BE (Bald Eagle)12:05:001Soaring Immature
CH (Cooper's Hawk)12:05:001Soaring
NH (Northern Harrier)12:05:001Soaring
AK (American Kestrel)12:10:001Flying Perched AdultMale•roadsides•grassland
AK (American Kestrel)12:10:001Perched AdultFemale•roadsides•grassland•stubble agriculture
RT (Red-tailed Hawk)12:20:002Perched •grassland
PR (Prairie Falcon)12:30:001Soaring AdultFemale
PR (Prairie Falcon)12:35:001Soaring AdultFemale
RT (Red-tailed Hawk)12:35:001Soaring Light
AK (American Kestrel)12:40:001Perched AdultFemale•roadsides•dirt agriculture
NH (Northern Harrier)12:45:001Perched Immature
RT (Red-tailed Hawk)12:45:001Perched Light•grassland
RT (Red-tailed Hawk)12:50:001Flying Perched LightAdult•grassland
RT (Red-tailed Hawk)13:00:001Flying Perched Light•roadsides•grassland
RT (Red-tailed Hawk)13:10:001Perched Light•roadsides•grassland
AK (American Kestrel)13:15:001Flying •roadsides•stubble agriculture•green agriculture
PR (Prairie Falcon)13:20:001Perched AdultFemale•roadsides•grassland
RT (Red-tailed Hawk)13:25:001Flying Perched LightAdult•grassland
AK (American Kestrel)13:30:001Perched •developed
AK (American Kestrel)13:30:001Flying Perched AdultFemale•roadsides•grassland•developed
AK (American Kestrel)13:35:001Perched AdultMale•developed•grassland
RT (Red-tailed Hawk)13:45:002Flying Soaring Adult•grassland
BE (Bald Eagle)14:05:002Flying Perched Immature•wetland/pond/marsh/riparian
PR (Prairie Falcon)14:10:001Soaring
RT (Red-tailed Hawk)14:10:001Soaring
AK (American Kestrel)14:35:001Perched •roadsides•grassland
FH (Ferruginous Hawk)14:35:001Perched LightAdult•roadsides•developed
AK (American Kestrel)14:50:002AdultMale•roadsides•developed
AK (American Kestrel)14:50:001Perched AdultFemale•roadsides•developed
AK (American Kestrel)14:55:001Perched AdultMale•roadsides•developed•grassland
RT (Red-tailed Hawk)14:55:001Perched LightAdult•roadsides•developed•grassland
RT (Red-tailed Hawk)14:55:001Flying Perched Light•grassland
ML (Merlin)15:05:001Perched Light•roadsides•grassland
RT (Red-tailed Hawk)15:10:001Perched Light•roadsides•grassland
AK (American Kestrel)15:15:001Flying •grassland•developed
RT (Red-tailed Hawk)15:15:001Light•roadsides•grassland
FH (Ferruginous Hawk)15:20:001Perched Light•grassland
RT (Red-tailed Hawk)15:20:001Perched •grassland
RT (Red-tailed Hawk)15:25:001Perched Light•roadsides•grassland



Survey totals by species

SpeciesTotal Count
BE (Bald Eagle)20
AK (American Kestrel)18
NH (Northern Harrier)4
RT (Red-tailed Hawk)40
FH (Ferruginous Hawk)6
CH (Cooper's Hawk)1
PR (Prairie Falcon)4
ML (Merlin)1
Total94