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tags: Juvenile Martial Eagle, Polemaetus bellicosus, birds, mystery bird, bird ID quiz [Mystery bird] Juvenile Martial Eagle, Polemaetus bellicosus, photographed in Nakuru National Park, Kenya, Africa. [I will identify this bird for you in 48 hours] Image: Dan Logen, 29 July 2006 [larger view]. Nikon D2X, 200-400 VR lens at 200. ISO 200, 1/2000, f 5.6. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Cliff Swallow, Petrochelidon pyrrhonota, birds, mystery bird, bird ID quiz [Mystery birds] Cliff Swallow, Petrochelidon pyrrhonota, photographed at Attwater Refuge, Texas. [I will identify this bird for you tomorrow] Image: Joseph Kennedy, 30 May 2009 [larger view]. Nikon D200 ,Kowa 883 telescope with TSN-PZ camera eyepiece 1/350s f/8.0 at 1000.0mm iso400. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Pigeon Guillemot, Cepphus columba, birds, mystery bird, bird ID quiz [Mystery bird] Pigeon Guillemot, Cepphus columba, photographed at Haystack Rock, Cannon Beach, Oregon. [I will identify this bird for you in 48 hours] Image: Terry Sohl, 8 June 2009 [larger view] Photo taken with a Canon 50D, 400 5.6L. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Pied Avocet, Recurvirostra avosetta, birds, mystery bird, bird ID quiz [Mystery bird] Pied Avocet, Recurvirostra avosetta, photographed in Walvis Bay, Namibia, Africa [I will identify this bird for you in 48 hours] Image: Dennis Paulson, April 2007 [larger view]. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Cedar Waxwing, Bombycilla cedrororum, birds, mystery bird, bird ID quiz [Mystery bird] Cedar Waxwing, Bombycilla cedrororum, photographed in Arizona. [I will identify this bird for you tomorrow] Image: Richard Ditch, 12 November 2007 [larger view]. Date Time Original: 2007:11:12 09:11:15 Exposure Time: 1/639 F-Number: 8.00 ISO: 400 Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Sanderling, Calidris alba, birds, mystery bird, bird ID quiz [Mystery bird] Sanderling, Calidris alba, photographed at Galveston, East Beach, Texas. [I will identify this bird for you in 48 hours] Image: Joseph Kennedy, 19 May 2009 [larger view]. Nikon D200 ,Kowa 883 telescope with TSN-PZ camera eyepiece 1/750s f/8.0 at 1000.0mm iso400. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Bohemian Waxwing, Bombycilla garrulus, birds, mystery bird, bird ID quiz [Mystery bird] Bohemian Waxwing, Bombycilla garrulus, photographed near Brandon in Minnehaha County, South Dakota. [I will identify this bird for you tomorrow] Image: Terry Sohl, 12 February 2005 [larger view] Photo taken with a Canon 20D, 400 5.6L. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Green Heron, Ardeola virescens, birds, mystery bird, bird ID quiz [Mystery bird] Juvenile Green Heron, Ardeola virescens, photographed on a farm pond in central Kentucky. [I will identify this bird for you tomorrow] Image: Mark Selter, 14 June 2009 (thanks to Roger Brown for sharing) [larger view]. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Purple Gallinule, Porphyrio martinica, birds, mystery bird, bird ID quiz [Mystery birds] Purple Gallinule, Porphyrio martinica, photographed at Anahuac Wildlife Refuge, Texas. [I will identify this bird for you tomorrow] Image: Joseph Kennedy, 19 May 2009 [larger view]. Nikon D200 ,Kowa 883 telescope with TSN-PZ camera eyepiece 1/500s f/8.0 at 1000.0mm iso400. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Bateleur Eagle, Terathopius ecaudatus, birds, mystery bird, bird ID quiz [Mystery bird] Immature Bateleur Eagle, Terathopius ecaudatus, photographed in Tarangire National Park, Tanzania, Africa. [I will identify this bird for you tomorrow] Image: Dan Logen, 31 August 2007 [larger view]. Nikon D2X 200-400 NIkon VR lens, at 400 mm. ISO 400, f4.5, 1/250 sec. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Mountain Plover, Charadrius montanus, birds, mystery bird, bird ID quiz [Mystery bird] Mountain Plover, Charadrius montanus, photographed in Arizona. [I will identify this bird for you tomorrow] Image: Richard Ditch, 25 December 2007 [larger view]. Date Time Original: 2007:12:25 10:06:24 Exposure Time: 1/319 F-Number: 10.00 ISO: 400 Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Tree Swallow, Tachycineta bicolor, birds, mystery bird, bird ID quiz [Mystery bird] Tree Swallow, Tachycineta bicolor, photographed at Lake Thompson in Kingsbury County, South Dakota. [I will identify this bird for you tomorrow] Image: Terry Sohl, 2 May 2009 [larger view] Photo taken with a Canon 50D, 400 5.6L. Please name at least one field mark that supports your identification.
tags: Pectoral Sandpiper, Calidris melanotos, birds, mystery bird, bird ID quiz [Mystery bird] Pectoral Sandpiper, Calidris melanotos, photographed at Anahuac Wildlife Refuge, Texas. [I will identify this bird for you tomorrow] Image: Joseph Kennedy, 19 May 2009 [larger view]. Nikon D200 ,Kowa 883 telescope with TSN-PZ camera eyepiece 1/180s f/8.0 at 1000.0mm iso400. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Little Bee-eater, Merops pusillus, birds, mystery bird, bird ID quiz [Mystery bird] Little Bee-eater, Merops pusillus, photographed in Amboseli National Park, Kenya, Africa. [I will identify this bird for you tomorrow] Image: Dan Logen, 6 August 2006 [larger view]. Nikon D2X, 200-400 mm VR lens at 400. ISO 250, 1/160, f/5 Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Sharp-tailed Grouse, Tympanuchus phasianellus, birds, mystery bird, bird ID quiz [Mystery birds] Sharp-tailed Grouse, Tympanuchus phasianellus, photographed at roughly 9am in the Little Bighorn Battlefield National Monument in Montana. [I will identify these birds for you tomorrow] Image: Bardiac, 7 June 2009 [larger view]. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Northern Pygmy-Owl, Glaucidium californicum, birds, mystery bird, bird ID quiz [Mystery bird] Northern Pygmy-Owl, Glaucidium californicum, photographed in Clallum County, Washington State. [I will identify this bird for you tomorrow] Image: Marv Breece, 23 May 2009 [larger view]. Canon EOS 350D 1/2000s f/7.1 at 300.0mm iso400 Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Pangani Longclaw, Macronyx aurantiigula, birds, mystery bird, bird ID quiz [Mystery bird] Pangani Longclaw, Macronyx aurantiigula, photographed in Tarangire National Park in Tanzania, Africa. [I will identify this bird for you tomorrow] Image: Dan Logen, 30 August 2007 [larger view]. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Tree Swallow, Tachycineta bicolor, birds, mystery bird, bird ID quiz [Mystery birds] Tree Swallow, Tachycineta bicolor, photographed at Anahuac Refuge, Texas. Are they all the same species? [I will identify these birds for you tomorrow] Image: Joseph Kennedy, 1 May 2009 [larger view]. Nikon D200 ,Kowa 883 telescope with TSN-PZ camera eyepiece 1/320s f/8.0 at 1000.0mm iso400. Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Streaked-Back Oriole, Icterus pustulatus microstictus, birds, mystery bird, bird ID quiz [Mystery bird] Streaked-Back Oriole, Icterus pustulatus microstictus, photographed in Arizona. [I will identify this bird for you tomorrow] Image: Richard Ditch, 21 October 2007 [larger view]. Date Time Original: 2007:10:21 07:34:06 Exposure Time: 1/400 F-Number: 8.00 ISO: 800 Please name at least one field mark that supports your identification. Review all mystery birds to date.
tags: Northern Harrier, Circus cyaneus, birds, mystery bird, bird ID quiz [Mystery bird] female Northern Harrier, Circus cyaneus, photographed on the Fort Pierre National Grasslands in South Dakota. [I will identify this bird for you tomorrow] Image: Terry Sohl, 26 November 2008 [larger view] Photo taken with a Canon 50D, 400 5.6L. Please name at least one field mark that supports your identification. Review all mystery birds to date.