Most common roadside raptor across much of North America. The nest is high above the ground. Harlan's and Krider's Red-tailed Hawk light juveniles - photos and field marks descriptions Seems like I had some luck several weeks ago. The Harlan's Hawks (the pudgy upright ones when perched, most of the time) are showing up in force the last few days. The exception is the dark "Harlan's Hawk", a bird with a light-colored tail that typically lacks reddish tones. Light morph in flight has tow-toned wings, with dark on the trailing half. Fig .6b. I was unable to locate it. They can pop up on the horizon at any minute and pass by at close range, just as an adult light-morph Harlan's did during my last visit. A light-morph juvenile Harlan's hawk perched in a tree, spotted just south of Big Valley. Houston Audubon Nature Photography Association. Rallidae (Rails, Gallinules, and Coots) Harlan's are quite common with several hundred counted each spring. The adult Ferruginous can be identified by its lack of a belly band, rufous leggings, paler flight feathers, lack of a patagial mark, and extensive reddish coloration on the upperwing coverts. Adult has red tail with or without multiple black bands (tail can be whitish to blackish in Harlan's), dark eyes, dark trailing edge to the wings, and brown upperside. Rich brown above and pale below, with a streaked belly. About 12% are light. It's an excellent site to see one of the rarer raptors, such as dark-morph Broad-winged Hawk, Harlan's Red-tailed Hawk, or Red-shouldered Hawk. A Great Plains race called "Krider's" hawk is pale, with a whitish head and washed-out pink in the tail . Similar looking birds to Red-tailed Hawk: Red-shouldered Hawk Adult (lineatus group), Swainson's Hawk Adult light morph, Swainson's Hawk Adult dark morph, Turkey Vulture Adult (Northern) . This is also a light morph Harlan's, another rarity. The lightest subspecies is called the Krider's Hawk . Juvenile Red-tailed Hawk (same bird as above), E. Wyoming, 12/05 Adult Red-tailed Hawk, Boulder County, Colorado, 12/05. Harlan's Hawk (Buteo jamaicensis harlani) - previously considered a full species ( Buteo harlani) or a color morph of ssp. The nest is located along a park road where there is some automobile traffic, but with Covid19 self-isolation in place, the traffic is light. Adult light morph (Harlan's) Mostly pale below with a heavy dark belly band, dark wing tips and edges to the flight feathers, and dark tips to a white tail. This column reports submitted sightings. Adult light morph (Harlan's) Mostly pale below with a heavy dark belly band, dark wing tips and edges to the flight feathers, and dark tips to a white tail. Photo by Joel G. Jorgensen. Harlan's Hawk breeds in Alaska and northwestern Canada and winters on the southern great plains. The darkest subspecies is called the Harlan's Hawk (Buteo jamaicensis harlani). Some Harlan's, both juvenile and adult, have white heads. white and light brown background col- ors. Consistently, year after year, the ratio of light morph to dark morph Harlan's is close to 8% rather than the previously thought 1%. This very light bird is not a member of the eastern or western subspecies, but is actually a light-morph Harlan's Hawk. Posted by Bryce W. Robinson January 19, 2021 Posted in Uncategorized Tags: animal, biology, bird, buteo jamaicensis harlani, harlan's, harlani, hawk, kansas, nature, raptor, research, science, wild, wildlife Leave a comment on Meet Ahsoka - a light-morph harlani carrying a transmitter in Kansas A Harlan's hawk gliding below Orkney Viewpoint over a partially frozen Red Deer River. It was perched on the power pole. Photo by Jean Iron. Swainson's Hawk A hawk of the western United States. Light morph. light-phase Western Red-tailed, Eastern Red-tailed, and Krider's hawks. On page 6 is an abstract from Bill explaining that most Krider's he examined in museums were misidentified light-morph Harlan's. I do feel that the diagnosis of a Krider's hawk is problematic. For observation and photography, I set up my tripod approximately 150 - 200 feet to the east of the nest and far on the other side of the road. Tuesday late afternoon. Apparently based solely on Ridgway (1890), who thought a light-morph adult Harlan's specimen was a hybrid, an adult Red-tail with a Harlan's tail. Harlan's Hawk has been considered a full species at different times (1829-1895 and 1957-1973), but it is now treated as a subspecies of . However, there are definite ways to distinguish faintly marked, pale-headed Harlan's from Krider's. Adult light-morph Harlan's Hawkwith minimal underwing markings, white streaking on head, and white tail with dark, smudged tip. Part of the fun of birding here is the variety of subspecies of Red­tailed Hawk from fall through spring. Also, some juvenile Harlan's have mottling throughout the tail similar to that of adults. Light-morph Harlan's Hawks are quite rare, and easy to overlook as just another Red-tail. In other words, there's no reason why this isn't just non-Harlan's Red-tailed Hawk (I don't remember the subspecies in AB). Remember Harlan's overlaps in plumage, and interbreeds with other races of Red-tailed Hawk, so they can show traits that are normally associated with other races (as do all Red-tails -- i.e. Adult Light-morph . calurus. and two today. Utah; March.© Jerry Liguori. In the Sibley Guide to Birds, David indicates that light-morph Harlan's Hawks may only comprise 1% of the population. It is a great example of the variable traits of the Red-tailed Hawk subspecies harlani. All of the Perot Museum's dark morph "Harlan's" Hawks The two specimens on the right are light morph "Harlan's" hawks ( Buteo jamaicensis harlani ). . Light morph Harlan's Red-tailed Hawk Ellensburg, Kittitas County . 9-11), shows the adult barred-tail morph. Bernard Hoopes' type specimens are both juveniles, so a weak argument could be made that an adult Krider's is an undefinable entity. Several upperside traits fit better for Rough-legged Hawk than for Harlan's Hawk such as the brownish-tawny upperwing coverts, slight grayish mottling on the back, and the grayish on the crown and cheek. He foraged at a playa lake in town all winter, and frequent sightings gave him the name LP7. Light-morph Harlan's Hawks are quite rare, and easy to overlook as just another Red-tail. About 40 minutes after finding the dark morph hawk I found this light morph Red-tailed Hawk perched high on a desert cliff face on the other side of the cliff. bellyband). We observed four Crested Caracaras associated with a bunch of ravens. Identify this bird by. Posted by Bryce W. Robinson January 19, 2021 Posted in Uncategorized Tags: animal, biology, bird, buteo jamaicensis harlani, harlan's, harlani, hawk, kansas, nature, raptor, research, science, wild, wildlife Leave a comment on Meet Ahsoka - a light-morph harlani carrying a transmitter in Kansas light-morph Harlan's which ticked all the above-mentioned boxes. Spotted two in Boone County on the 17th (one was the dark hawk varified by Mike Borle' on Raptor ID (spiked looking tailfeathers from flight pic.) This bird was taken as a nestling in 1981, three km distant from Harlan's Red-tailed Hawk Harlan's Red-tailed Hawk. . The darkest morph Red-tailed Hawk to come down was the Harlan's Hawk with his blackish plumage; white-streaked breast and throat, and, mottled grayish-white tail with the dusky tip. Figure 3: Dorsal view of dark morph juvenile Red-tailed Hawk showing banded juvenile tail collected in Toronto, Ontario on 4 November 1895. I also should point out that Harlan's hawks have dark, intermediate and -- rarely -- light morphs, as do red-tailed hawks. Harlan's usually do not have any red in their tails. Harlan's Red-tailed Hawk (Buteo jamaicensis harlani), Marana Pecan Grove, Pima County. Immatures do . They generally differ from both Westerns and Easterns by the lack of a well-defined abdominal band and from Krider's Hawks by the dark head. Light Morph Harlan's Red-tailed Hawk: Light Morph Harlan's Red-tailed Hawk: click on thumbnails for full image . We also had an adult Ferruginous Hawk, perched and then flying. Cooper's Hawk - adult near East 90, Samish Flats Light Morph Harlan's Hawk - 3 for the day; one was at Farm to Market & Sunset on Samish Flats; 3 light morphs in one day is a first for me Dark Morph Red-tailed Hawk - Also at Farm to Market & Sunset ( same time as above bird) Rough-legged Hawk - several on the Samish Flats & one at Hayton Reserve The exception is the dark "Harlan's Hawk", a bird with a light-colored tail that typically lacks reddish tones. This bird actually has very poor vision as is common among various albino animals. eBird.org) and a light morph juvenile/immature near Harrison, Sioux Co 13 Jun 2021. This is more common on light-morph juveniles, which are often different that dark-morph tail patterns in NOT showing the white blobs. The mostly white head, dark malar, and heavily white-mottled back are good traits for Krider's. However, I do see a hint of what looks like a belly band in all of these photos, and the back could actually be even whiter still on most Krider's hawks which has me wondering if this is Krider's x Eastern Red-tailed Hawk or a light morph Harlan's. Harlan's Hawks breed in Alaska and northwestern Canada. Debate about its status is still ongoing. The adult Ferruginous can be identified by its lack of a belly band, rufous leggings, paler flight feathers, lack of a patagial mark, and extensive reddish . Finally, here's one of Jukka's images of an adult Krider's Red-tailed Hawk that is usually associated with a range further south and east (seen June 1, 2009): I believe your first conclusion - an immature light morph Harlan's - was correct. Pale mottling on upperside is limited to scapulars. ID: The plumage is blackish and white. I did not see The hawk in question is definitely a juvenile Harlan's Hawk. The bird on the left is a typical eastern Red-tailed Hawk (juvenile) ( Buteo jamaicensis ). Harlan's Hawk adult: Recently split Entirely blackish body plumage . and light-morph Harlan's Hawk. Most other light morph buteos are separable by shape and plumage, with Ferruginous Hawk being the most similar. Reversing the trend found in their calurus counterparts, dark birds are the most common type found within the harlani subspecies.

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