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grrlscientist | March 16, 2009tags: Cave Swallow, Petrochelidon fulva, birds, mystery bird, bird ID quiz
[Mystery bird] Cave Swallow, Petrochelidon fulva, photographed at the Water Ranch in Gilbert, Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 18 February 2008 [larger view].
Please name at least one field mark that supports your identification.
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grrlscientist | March 15, 2009tags: Snowy Owl, Nyctea scandiaca, birds, mystery bird, bird ID quiz
[Mystery bird] Snowy Owl, Nyctea scandiaca, photographed on the Fort Pierre National Grasslands in South Dakota. [I will identify this bird for you tomorrow]
Image: Terry Sohl, 4 January 2009 [larger view].
Photo taken with Canon 50D, 400 5.6L.
Please name at least one field mark that supports your identification.
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grrlscientist | March 13, 2009tags: Field Sparrow, Spizella pusilla, birds, mystery bird, bird ID quiz
[Mystery bird] Field Sparrow, Spizella pusilla, photographed at Newton Hills State Park in South Dakota. [I will identify this bird for you tomorrow]
Image: Terry Sohl, 30 September 2008 [larger view].
Photo taken with Canon 40D, 400 5.6L.
Please name at least one field mark that supports your identification.
Rick Wright, Managing Director of WINGS Birding Tours Worldwide, writes:
The identification of sparrows got a lot easier in 1990, when Kenn Kaufman's Advanced Birding codified what he calls "the generic…
grrlscientist | March 9, 2009tags: Blue-gray Gnatcatcher, Polioptila caerulea, birds, mystery bird, bird ID quiz
[Mystery bird] Blue-gray Gnatcatcher, Polioptila caerulea, photographed in Starr County Park, Texas. [I will identify this bird for you tomorrow]
Image: Joseph Kennedy, 5 April 2008 [larger view].
Nikon D200, Kowa 883 telescope TSN-PZ camera eyepiece 1/1000s f/8.0 at 1000.0mm iso400.
Please name at least one field mark that supports your identification.
Rick Wright, Managing Director of WINGS Birding Tours Worldwide, writes:
Now here's a little bird, barely bigger than the menacing thorns it's paused…
grrlscientist | March 7, 2009tags: Streak-backed Oriole, Icterus pustulatus microstictus, birds, mystery bird, bird ID quiz
[Mystery bird] Streak-backed Oriole, Icterus pustulatus microstictus, photographed at the Water Ranch in Gilbert, Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 15 December 2006 [larger view].
Please name at least one field mark that supports your identification.
Rick Wright, Managing Director of WINGS Birding Tours Worldwide, writes:
Any doubt that this is an oriole? Good. Confused about just what an oriole is? Better.
The English word was first applied, naturally…
grrlscientist | March 5, 2009tags: Attwater's Prairie Chicken, Tympanuchus cupido attwateri, birds, mystery bird, bird ID quiz
[Mystery bird] Attwater's Prairie Chicken, Tympanuchus cupido attwateri, photographed in Texas. [I will identify this bird for you tomorrow]
Image: Joseph Kennedy, 6 December 2008 [larger view].
Nikon D200, Kowa 883 telescope 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.
grrlscientist | March 4, 2009tags: Brewer's Sparrow, Spizella breweri, birds, mystery bird, bird ID quiz
[Mystery bird] Brewer's Sparrow, Spizella breweri, photographed in Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 2008 [larger view].
Date Time Original: 2008:03:13 09:12:01
Exposure Time: 1/319
F-Number: 8.00
ISO: 400
Please name at least one field mark that supports your identification.
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grrlscientist | March 2, 2009tags: Pine Siskin, Carduelis pinus, birds, mystery bird, bird ID quiz
[Mystery bird] Pine Siskin, Carduelis pinus, photographed in Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 16 April 2008 [larger view].
Date Time Original: 2008:04:16 08:46:29
Exposure Time: 1/319
F-Number: 5.60
ISO: 320
Please name at least one field mark that supports your identification.
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grrlscientist | February 28, 2009tags: mystery bird, identify this bird, birds, mystery bird, bird ID quiz
[Mystery bird] Grasshopper Sparrow, Ammodramus savannarum, photographed in Attwater Prairie Chicken Refuge, Texas. [I will identify this bird for you tomorrow]
Image: Joseph Kennedy, 6 December 2008 [larger view].
Nikon D200, Kowa 883 telescope TSN-PZ camera eyepiece 1/90s f/8.0 at 1000.0mm iso400.
Please name at least one field mark that supports your identification.
Review all mystery birds to date.
grrlscientist | February 24, 2009tags: White-tailed Kite, Elanus leucurus, birds, mystery bird, bird ID quiz
[Mystery bird] White-tailed Kite, Elanus leucurus, photographed in Sacramento, California. [I will identify this bird for you tomorrow]
Image: John del Rio, autumn 2007 [larger view].
More images by this photographer can be seen on the front page and in the gallery.
Please name at least one field mark that supports your identification.
Review all mystery birds to date.
grrlscientist | February 23, 2009tags: Costa's Hummingbird, Calypte costae, birds, mystery bird, bird ID quiz
[Mystery bird] Costa's Hummingbird, Calypte costae, photographed in Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 15 May 2008 [larger view].
Date Time Original: 2008:05:15 07:47:40
Exposure Time: 1/30
F-Number: 8.00
ISO: 320
Please name at least one field mark that supports your identification.
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grrlscientist | February 21, 2009tags: Red-necked Grebe, Podiceps grisegena, birds, mystery bird, bird ID quiz
[Mystery bird] Red-necked Grebe, Podiceps grisegena, photographed in Kearny, Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 23 November 2006 [larger view].
Please name at least one field mark that supports your identification.
Review all mystery birds to date.
grrlscientist | February 20, 2009tags: Curve-billed Thrasher, Toxostoma curvirostre, birds, mystery bird, bird ID quiz
[Mystery bird] Curve-billed Thrasher, Toxostoma curvirostre, photographed in Starr County Park, Texas. [I will identify this bird for you tomorrow]
Image: Joseph Kennedy, 5 April 2008 [larger view].
Nikon D200, Kowa 883 telescope TSN-PZ camera eyepiece 1/1000s f/8.0 at 1000.0mm iso400.
Please name at least one field mark that supports your identification.
Review all mystery birds to date.
grrlscientist | February 19, 2009tags: White-collared Seedeater, Sporophila torqueola, birds, mystery bird, bird ID quiz
[Mystery bird] Western White-collared Seedeater, Sporophila torqueola, discovered by the photographer and photographed at the Water Ranch in Gilbert, Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 3 October 2008 [larger view].
Please name at least one field mark that supports your identification.
Review all mystery birds to date.
grrlscientist | February 18, 2009tags: juvenile Northern Goshawk, Accipiter gentilis, birds, mystery bird, bird ID quiz
The prior owner of these feathers, a probable juvenile Northern Goshawk, Accipiter gentilis, met a plate-glass window at high speed and apparently was fatally injured. The feathers were what was remaining after a dog scavenged the carcass. Location is on the east side of Tuttle Creek Reservoir, Pottawatomie County Kansas (39.272N, 96.558W, altitude 1150 ft or 351 m). [I will identify this bird for you tomorrow]
Image: Dave Rintoul, 29 January 2009 [larger view].
Please name at least one field mark that…
grrlscientist | February 17, 2009tags: Ovenbird, Seiurus aurocapillus, birds, mystery bird, bird ID quiz
[Mystery bird] Ovenbird, Seiurus aurocapillus, photographed at the Desert Botanical Gardens in Phoenix, Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 22 January 2006 [larger view].
Please name at least one field mark that supports your identification.
Review all mystery birds to date.
grrlscientist | February 16, 2009tags: Chestnut-sided Warbler, Dendroica pensylvanica, birds, mystery bird, bird ID quiz
[Mystery bird] Chestnut-sided Warbler, Dendroica pensylvanica, photographed at the Boyce Thompson Arboretum, Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 4 January 2009 [larger view].
Please name at least one field mark that supports your identification.
As an added bonus, can you identify the insect in this bird's beak?
Chestnut-sided Warbler, Dendroica pensylvanica, photographed at the Boyce Thompson Arboretum, Arizona.
Image: Richard Ditch, 4 January 2009 [larger…
grrlscientist | February 15, 2009tags: Leucistic Song Sparrow, Melospiza melodia, birds, mystery bird, bird ID quiz
[Mystery bird] Leucistic Song Sparrow, Melospiza melodia, photographed at the far end of the Nisqually River, Nisqually National Wildlife Refuge, near Olympia, Washington State. [I will identify this bird for you tomorrow]
Image: Dan Streiffert, 25 January 2009 [larger view].
Please name at least one field mark that supports your identification.
Review all mystery birds to date.
NOTE: If you have seen this bird or images of it, please don't "spill the beans" for everyone else who hasn't yet seen it!
grrlscientist | February 14, 2009tags: Costa's Hummingbird, Calypte costae, birds, mystery bird, bird ID quiz
[Mystery bird] Costa's Hummingbird, Calypte costae, photographed in Arizona. [I will identify this bird for you tomorrow]
Image: Richard Ditch, 23 December 2004 [larger view].
Date Time Original: 2004:12:23 16:04:23
Exposure Time: 1/60
F-Number: 8.00
ISO: 640
Please name at least one field mark that supports your identification.
Review all mystery birds to date.
grrlscientist | February 13, 2009tags: Ross's Gull, Rhodostethia rosea, birds, mystery bird, bird ID quiz
[Mystery bird] Ross's Gull, Rhodostethia rosea, photographed near the Tuttle Creek Reservoir outflow tubes in Kansas. [I will identify this bird for you tomorrow].
Image: Dave Rintoul, 14 January 2009 [larger view].
Please name at least one field mark that supports your identification.
In alternate plumage, the pinkish cast to the plumage and black ring around the head are diagnostic. In basic plumage, the evenly gray wings on both the upper and under surfaces and the wedge-shaped tail (which isn't easily seen in…