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WRS Survey Summary

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Survey Date:

RouteAntelope Valley
Location California, USA
Survey date 2021-02-04
Survey ID1085

Survey Conditions

Survey Date: 2021-02-04Start Time: 07:30:00End Time: 11:50:00
Temperature2 (C)15 (C)
Cloud Cover0 (%)0 (%)
Visibility5 (km)5 (km)
Precipitation0: None0: None
Wind Speed3: 12-19 km/h (8-12 mph)2: 6-11 km/h (4-7 mph)
Wind DirectionNN
Snow Depth0 (in)0 (in)
Observer 1Luke Tiller
Observer 2Catherine Hamilton
Observer 3
Observer 4
Notes Clear sky day. Cold to start but warming up. Seemingly less active Agriculture than many years. Most birds notable clumped around active fields.

Survey Sightings

RT (Red-tailed Hawk)07:45:001Perched LightImmature•desert•shrubland
RT (Red-tailed Hawk)07:50:001Perched LightImmature•developed
Notes: Wooded lot by lake.
RS (Red-shouldered Hawk)07:50:001Perched Immature•developed
RT (Red-tailed Hawk)08:00:001Flying Perched LightAdult•grassland
FH (Ferruginous Hawk)08:00:003Flying Perched LightAdult
Notes: Vaguely interacting on hillside to our north. All seen concurrently.
RT (Red-tailed Hawk)08:05:001Perched Adult•grassland
Notes: Non-native grasses/rangeland.
FH (Ferruginous Hawk)08:05:001Perched LightAdult•grassland
FH (Ferruginous Hawk)08:10:001Flying Perched LightAdult•fallow agriculture
Notes: Closer to Ave C
PR (Prairie Falcon)08:10:001Flying Perched Adult•fallow agriculture
FH (Ferruginous Hawk)08:15:001Perched LightAdult•green agriculture
CH (Cooper's Hawk)08:30:001Perched Immature•fallow agriculture
RT (Red-tailed Hawk)08:50:003Perched LightAdult•fallow agriculture
RT (Red-tailed Hawk)08:50:001Perched IntermediateImmature•fallow agriculture
RT (Red-tailed Hawk)08:55:001Perched LightAdult•fallow agriculture
RT (Red-tailed Hawk)08:55:001Perched LightAdult•fallow agriculture
RT (Red-tailed Hawk)09:00:001Perched LightAdult•fallow agriculture•desert
RT (Red-tailed Hawk)09:00:001Perched LightAdult•desert•grassland
AK (American Kestrel)09:05:001Flying Perched AdultMale•fallow agriculture•developed
Notes: Solar Farm
RT (Red-tailed Hawk)09:30:001Perched LightAdult•fallow agriculture
AK (American Kestrel)09:30:001Flying Perched Male•fallow agriculture•desert
NH (Northern Harrier)09:30:001Perched AdultMale•grassland
NH (Northern Harrier)09:35:001Flying AdultFemale•fallow agriculture•desert
RT (Red-tailed Hawk)10:00:001Perched LightAdult•fallow agriculture•desert
RT (Red-tailed Hawk)10:05:001Perched LightAdult•desert
RT (Red-tailed Hawk)10:10:001Perched DarkImmature•desert•fallow agriculture
RT (Red-tailed Hawk)10:15:001Perched LightImmature•fallow agriculture•desert
AK (American Kestrel)10:20:001Perched AdultMale•fallow agriculture•desert
RT (Red-tailed Hawk)10:20:001Flying LightAdult•dirt agriculture•fallow agriculture
TV (Turkey Vulture)10:25:0012Flying Adult•fallow agriculture•dirt agriculture
Notes: Potentially moving?
FH (Ferruginous Hawk)10:25:003Flying Perched LightImmature•dirt agriculture•green agriculture
Notes: Mass of activity including three Juv birds in view at once.
FH (Ferruginous Hawk)10:25:005Flying Perched LightAdult•dirt agriculture•fallow agriculture
RT (Red-tailed Hawk)10:25:002Flying Perched LightImmature
RT (Red-tailed Hawk)10:25:001Perched DarkImmature
FH (Ferruginous Hawk)10:45:001Perched LightImmature•green agriculture
FH (Ferruginous Hawk)10:55:002Perched LightAdult•green agriculture
FH (Ferruginous Hawk)10:55:001Perched LightImmature•green agriculture
RT (Red-tailed Hawk)10:55:001Perched LightAdult•green agriculture
RT (Red-tailed Hawk)10:55:001Perched LightImmature•green agriculture
RT (Red-tailed Hawk)11:00:002Flying LightAdult•green agriculture
RT (Red-tailed Hawk)11:05:001Flying Perched DarkImmature•green agriculture
RT (Red-tailed Hawk)11:05:001Perched LightAdult•green agriculture
FH (Ferruginous Hawk)11:05:001Perched LightAdult•green agriculture
GO (Great Horned Owl)11:05:002Perched •developed
Notes: Nest in church tree row
AK (American Kestrel)11:05:001Flying AdultMale•green agriculture
RT (Red-tailed Hawk)11:20:002Flying Perched LightAdult•green agriculture
RT (Red-tailed Hawk)11:20:001Perched IntermediateAdult•fallow agriculture
FH (Ferruginous Hawk)11:20:002Perched LightAdult•green agriculture
RS (Red-shouldered Hawk)11:25:001Perched Immature•fallow agriculture
GO (Great Horned Owl)11:25:001Flying Perched
Notes: Flushed from nest while going to look at RSHA
RT (Red-tailed Hawk)11:25:002Flying Perched LightImmature•fallow agriculture
FH (Ferruginous Hawk)11:25:001Flying LightAdult•fallow agriculture
RT (Red-tailed Hawk)11:30:001Soaring LightAdult
RT (Red-tailed Hawk)11:40:001Flying LightAdult•dirt agriculture
RT (Red-tailed Hawk)11:45:001Perched LightAdult•dirt agriculture
RT (Red-tailed Hawk)11:50:001Perched LightAdult•unspecified agriculture
Notes: Turf Farm

Survey totals by species

SpeciesTotal Count
RT (Red-tailed Hawk)36
RS (Red-shouldered Hawk)2
FH (Ferruginous Hawk)22
PR (Prairie Falcon)1
CH (Cooper's Hawk)1
AK (American Kestrel)4
NH (Northern Harrier)2
TV (Turkey Vulture)12
GO (Great Horned Owl)3