The long-billed dowitcher (Limnodromus scolopaceus) is a medium-sized shorebird.The genus name Limnodromus is Ancient Greek from limne, "marsh" and dromos, "racer".The specific scolopaceus is New Latin for "snipe-like", from Latin scolopax, scolopacis, a snipe or woodcock. The combination of rounded back and slightly rounded, egg-shaped under-carriage on Long-billed creates a "swallowed a tennis ball" profile on relaxed feeding Long-billed Dowitcher. The Sibley Guide to Birds. Head shape is another structural field mark that can be very helpful when scanning dowitcher flocks. The Long-billed and Short-billed Dowitcher can both be found in Tennessee, especially during fall migration, and the Long-billed is the one less likely to be encountered. Care should be taken with juvenile and undernourished birds that don’t exhibit the typical egg-shaped body shape of Long-billed Dowitcher, but instead show a slender undercarriage similar to Short-billed. Late summer transition Long-billed and hendersoni Short-billed can be almost identical in plumage when the flank and upper breast markings wear off, and structural differences are more important in these instances. Both species may show similar upperpart fringes in fresh transition and breeding plumage (see comparison photos), but late spring and summer breeding plumaged birds appear very different overall in terms of upperpart feather edge color and internal shading.Underpart coloration is more brick red in Long-billed Dowitcher versus orange in Short-billed, and only the prairie subspecies (hendersoni) has orange color that extends to the undertail, similar to Long-billed. It is the female Short-billed and male Long-billed Dowitchers that appear similar in size and structure. This deeper base is a helpful feature for some Short-bills, and is not present in Long-billed. Tennessee Press, Knoxville.Sibley, D. A. The other two subspecies have distinct white vents, and do not resemble breeding Long-billed.

A. Knopf, New York, NY. These shorebirds are usually only seen during their spring and fall migrations. Female Long-billed is easier to ID because of its especially long bill and legs, and extra chest-heavy body structure. The more rounded body shape on Long-billed is also obvious in head-on or tail-on views, with Short-billed showing a more slender, less rounded body shape.Female dowitchers are larger-bodied, longer-billed and longer-legged than males, and these differences are especially noticeable in Long-billed Dowitcher.

Swift direct flight, rapid wing beats.

A. Long-billed Dowitcher (L), Short-billed Dowitcher (R), late summerLong-billed Dowitcher (L), Short-billed Dowitcher (hendersoni ssp) (R), nonbreedingLong-billed Dowitcher (small-billed, slender-bodied male) (L), Short-billed Dowitcher (hendersoni ssp) (R), nonbreedingShort-billed Dowitcher (hendersoni ssp) and Long-billed Dowitcher, breedingTransition plumage (early April) for Long-billed Dowitcher (L) and Short-billed Dowitcher (hendersoni ssp) (R)These two very similar species have long been regarded by experts as unidentifiable in many field conditions unless their distinctive calls are heard. Some Long-billeds show a uniform downward arch to the outer bill half that superficially suggests the “kink” near Short-billed’s bill tip, but the longer arch versus a restricted kink in Short-billed is different.Non-breeding plumage: Plumage is darker gray overall in Long-billed, with its head and neck often appearing as if dipped in a bucket of soot.

Univ. Long-billed has a slightly shallower forehead while Short-billed has a steeper forehead (Fig. 2.4 Head shape. These shorebirds are both medium to large-sized with very long bills. The Long-billed Dowitcher is unlikely to be confused with any other species in the UK other than Short-billed, which is similar in all plumages.

Male Short-bills are easier to ID because of especially short bills and small, slender, compact bodies. Differences in breeding hendersoni includes lighter spotting on the central upper breast compared to Long-billed’s denser, heavier spotting, and dark bars on the upper and lower flanks compared to mostly spotting on Short-billed. The English name is from Iroquois and was first recorded in 1841. Long-billed Dowitcher: This large, stocky sandpiper has dark, mottled upperparts, dark cap and eye stripe, short white eyebrow, and red-brown underparts with lightly barred flanks. The Short-billed's bill is only short in comparison to the Long-billed Dowitcher's bill, and the bill of the female Short-billed is the same length of that of the male Long-billed.

The Long-billed Dowitcher is one of the larger shorebirds seen in North America. These differences in body shape may also be seen in some flying birds. Upperpart feather shafts are darker in Long-billed, with dusky shading adjacent to the central shaft in many birds adding to the darker impression, especially in adults. An Annotated Checklist of the Birds of Tennessee. The front heavy body structure causes a weight imbalance in Long-billed that requires them to adjust their body angle and tilt upwards when sleeping or resting. Long-billed Dowitcher (Robinson J. C. 1990. The long-billed dowitcher (L. scolopaceus), about 30 centimetres (12 inches) long including the bill, has a more northwesterly breeding range than the short-billed dowitcher (L. griseus), which is about the same size except for the bill. Short-billed has a paler head and neck and a whitish upper breast with variable spotting. Sleeping birds are more easily identified using this back angle difference, unless a strong head wind causes both species to lean forward.

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