HAWKS Red-tailed hawk in tree. (Raptor009)Ferruginous hawk at national wildlife reserve, Rocky Mountain Arsenal. (RMA022)Northern harrier eggs in nest. (Raptor088)Northern harrier flying. (Raptor7884)Northern goshawk on rooftop. (Raptor8672)Red-tailed hawk taking off. (061027-7171)Red-tailed hawk perched on post. (111218-6035)Northern harrier flying. (081115-4098)Red-tailed hawk flying. (061027-7182)Northern harrier landing on branch. (Raptor023)Red-tailed hawk in flight. (120110-6068)Northern harrier in flight. (Raptor7893)Ferruginous hawk chicks in nest. (Raptor4190)Northern harrier soaring. (Raptor024)Flying northern harrier. (081115-4096)Cooper's hawk perched in tree. (110302-2211)Northern harrier portrait. (Raptor021)Swainson's hawk on branch. (Raptor031)Red-tailed hawk flying. (120110-6065)Red-tailed hawk in flight. (101226-1398)Ferruginous hawk landing on bush. (070212-9131)Ferruginous hawk holding prairie dog kill. (Raptor106)Northern harrier flying. (061204-7893)Northern harrier in flight. (Raptor7098)Red-tailed hawk in grass. (110215-2033)Swainson's hawk on tree branch. (090428-5200)Red-tailed hawk flying in winter. (061027-7178)Ferruginous hawk holding kill. (Raptor036)Northern harrier in flight. (081115-4093)Ferruginous hawk flying. (Raptor032)Red-tailed hawk in flight. (101218-1292)Red-tailed hawk feeding on rabbit in winter. (Raptor098)Red-tailed hawk in leaving barbed wire fence post. (101213-9506)Red-tailed hawk gliding. (Raptor013)Northern harrier flying. (061204-7884)Red-tailed hawk on branch. (110215-2029)Cooper's hawk perched on tree branch. (Raptor006)Red-tailed hawk on fence post. (111218-6026)Sharp-shinned hawk in tree. (070301-9372)Ferruginous hawk chicks in nest. (Raptor4223)Swainson's hawk taking off from tree branch. (090429-6160)Red-tailed hawk flying over snow. (061027-7181)Ferruginous hawk chicks in nest. (Raptor4207)Red-tailed hawk in air. (111031-3946)Red-tailed hawk flying towards perch. (110104-9651)Swainson's hawk chicks in nest, Red Desert, Wyoming. (050629-2063)Red-tailed hawk landing on roof vent. (101212-1265)Red-tailed hawk taking off from fence post. (101213-9504)Red-tailed hawk in flight. (101226-1397)Flying northern harrier. (081115-4095)Red-tailed hawk taking off from rooftop. (Raptor7219)Northern goshawk flying. (Raptor8673)Red-tailed hawk in snow. (061027-7170)Swainson's hawk landing on blooming tree branch. (090429-6259)Northern harrier landing. (081121-4125)Red-tailed hawk perched on tree branch. (110123-1662)Swainson's hawk on post. (Raptor002)Red-tailed hawk, rufous morph. (111123-4143)Northern goshawk on rail. (070119-8665)Ferruginous hawks facing off. (Raptor103)Red-tailed hawk on tree branch. (Raptor010)Ferruginous hawk with prairie dog kill. (Raptor105)Northern harrier stretching wing and leg. (Raptor7682)Northern harrier feeding on mallard kill. (Raptor094)Red-tailed hawk flying. (061128-7728)Northern harrier perched on fence post. (061122-7689)Swainson's hawk portrait. (Raptor028)Red-tailed hawk in tree. (Raptor014)Red-tailed hawk perched on fence post. (111218-6031)Red-tailed hawk in flight. (101212-1264)Rough-legged hawk on frosted branch. (Raptor029)Red-tailed hawk in flight. (Raptor7728)Swainson's hawk chicks in nest built on drilling structure, Red Desert, Wyoming. (050701-2252)Ferruginous hawk chicks in nest. (Raptor4198)Red-tailed hawk taking off from tree branch. (120110-6064)Northern goshawk perched on rail. (070119-8667)Ferruginous hawks at nest. (Raptor084)Red-tailed hawk on fence post. (111218-6028)Ferruginous hawk with prairie dog kill. (Raptor096)Ferruginous hawk landing in bush. (070212-9133)Red-tailed hawk flying. (061027-7180)Red-tailed hawktaking off from tree. (Raptor7279)Swainson's hawk in flight. (09429-6162)American Kestrel perched on tree branch. (070118-8659)Red-tailed hawk looking at foot. (111218-6032)Swainson's hawk perched on tree branch. (080620-7036)Red-tailed hawk wingspan. (110117-9682)Ferruginous hawk with prairie dog kill. (Raptor097)Ferruginous hawk confrontation. (Raptor022)Rough-legged hawk portrait. (Raptor030)Red-tailed hawk flying. (061027-7175)Ferruginous hawk protecting kill as magpie looks on. (Raptor038)Red-tailed hawk in flight. (Raptor7220)Red-tailed hawk in flight. (120110-6066)Ferruginous hawk nest with chicks. (Raptor4204)Rough-legged hawk spreading wings. (091209-9473)Northern harrier in flight. (081121-4127)Red-tailed hawk flying. (101226-1395)Northern harrier with kill. (Raptor093)Sharp-shinned hawk in tree. (070301-9366)Swainson's hawk perched on post. (Raptor104)Swainson's hawk on fence. (Urban015)Red-tailed hawk eating cottontail rabbit. (Raptor118)Northern goshawk portrait. (Raptor025)Ferruginous hawk nestlings. (Raptor4221)Ferruginous hawk flying. (Raptor020)Red-tailed hawk flying over snow. (061027-7174)Red-tailed hawk in flight. (070218-0002)Ferruginous hawk at nest. (Raptor5150)Ferruginous hawk flying. (Raptor033)Red-tailed hawk in flight. (120305-4467)Ferruginous hawks with prairie dog kill. (Raptor107)Ferruginous hawk at prairie dog burrow. (Raptor034)Ferruginous hawk defending prairie dog kill from redtail hawk. (Raptor095)Red-tailed hawk flying over snow. (Raptor7177)Red-tailed hawk looking for prey. (110215-2036)Sharp-shinned hawk portrait. (Raptor004) PHOTO LIBRARY MENUMENUBIRDSANIS / CUCKOOS / ROADRUNNERSBABY BIRDSFLICKERS / SAPSUCKERS / WOODPECKERSGAME BIRDSGROUNDBIRDSHUMMINGBIRDSNIGHTHAWKS / PAURAQUES / POORWILLSPERCHING BIRDS / SONGBIRDSRAPTORS EaglesFalconsHawksKitesOspreysOwlsVultures SHOREBIRDSTROPICAL BIRDSWADING BIRDSWATERBIRDSWATERFOWL