Ryan Bourbour
@talondna.bsky.social
Wildlife ecologist - Raptor researcher - Opportunistic photos from the field
*birds in hand = permits
*birds in hand = permits
Hermit Thrushes return to downtown Davis…
November 26, 2025 at 4:04 AM
Hermit Thrushes return to downtown Davis…
November 15, 2025 at 1:53 AM
One of the local Barn Owls roosting above a busy parking lot in downtown Davis…
#urbanRaptor #AmericanBarnOwl
#urbanRaptor #AmericanBarnOwl
October 22, 2025 at 9:36 PM
One of the local Barn Owls roosting above a busy parking lot in downtown Davis…
#urbanRaptor #AmericanBarnOwl
#urbanRaptor #AmericanBarnOwl
Dark morph Red-tailed Hawk on her first fall migration journey along the California coast…
#Redtailedhawk #raptorMigration
*handled with permits
#Redtailedhawk #raptorMigration
*handled with permits
September 7, 2025 at 2:27 AM
Dark morph Red-tailed Hawk on her first fall migration journey along the California coast…
#Redtailedhawk #raptorMigration
*handled with permits
#Redtailedhawk #raptorMigration
*handled with permits
Some recent photos from the field… One of the data points we collect from raptors is eDNA diet swabs, which is done by scrubbin’ microscopic prey 🧬 remains from their beaks. This can help us describe what American Kestrels are eating on California farms.
#AmericanKestrel #RaptorResearch #WildAg
#AmericanKestrel #RaptorResearch #WildAg
June 11, 2025 at 5:22 AM
Some recent photos from the field… One of the data points we collect from raptors is eDNA diet swabs, which is done by scrubbin’ microscopic prey 🧬 remains from their beaks. This can help us describe what American Kestrels are eating on California farms.
#AmericanKestrel #RaptorResearch #WildAg
#AmericanKestrel #RaptorResearch #WildAg
checking occupancy in lots of nest boxes on Northern California farms for a study this year… one surprise this season has been the number of Western Screech-Owl nests, many with impressive stock piles of cached prey!!
#WildAg #raptorResearch
#WildAg #raptorResearch
May 13, 2025 at 3:38 PM
checking occupancy in lots of nest boxes on Northern California farms for a study this year… one surprise this season has been the number of Western Screech-Owl nests, many with impressive stock piles of cached prey!!
#WildAg #raptorResearch
#WildAg #raptorResearch
May 13, 2025 at 5:58 AM
WESOs are getting ready to fledge into the grape 🍇 vines and olive 🫒 orchards of the Sacramento Valley…
📸: A sleepy Western Screech-Owl nestling 💤
#WESOwonderland #WesternScreechOwl #WildAg #RaptorResearch
*handled with multiple permits + research purposes
📸: A sleepy Western Screech-Owl nestling 💤
#WESOwonderland #WesternScreechOwl #WildAg #RaptorResearch
*handled with multiple permits + research purposes
May 3, 2025 at 3:37 AM
WESOs are getting ready to fledge into the grape 🍇 vines and olive 🫒 orchards of the Sacramento Valley…
📸: A sleepy Western Screech-Owl nestling 💤
#WESOwonderland #WesternScreechOwl #WildAg #RaptorResearch
*handled with multiple permits + research purposes
📸: A sleepy Western Screech-Owl nestling 💤
#WESOwonderland #WesternScreechOwl #WildAg #RaptorResearch
*handled with multiple permits + research purposes
new Insights paper on the phenomenon of predatory birds flocking to flood irrigated alfalfa 🌱 fields to feast on rodents:
February 17, 2025 at 11:56 PM
new Insights paper on the phenomenon of predatory birds flocking to flood irrigated alfalfa 🌱 fields to feast on rodents:
Shortie in the pickleweed marsh…
December 14, 2023 at 2:16 AM
Shortie in the pickleweed marsh…
red-tailed hawk and red-shouldered hawk soaring majestically together over downtown Davis…
September 19, 2023 at 1:57 AM
red-tailed hawk and red-shouldered hawk soaring majestically together over downtown Davis…