Brown-and-white denizen of bubbling streams and brooks. Louisiana Waterthrush: always whitish with buffy rear flanks. INTERNATIONAL MANATEE DAY: BAHAMAS? A yellowish waterthrush is definitely a Northern, while a whitish bird could be either species. I’m not a huge fan of attempts at phonetic renditions of bird calls – the ‘Did you have a nice day today dear?’ and the ‘I’d like a very big Kalik please’ and so on. All the guides mention various differences to focus on. Some sort of heron in Mazatlan Mexico Bird Identification Q&A. For example, on the ground, they tend to walk rather than hop, ‘bobbing’ their butts (technical term) as they go. Both species have similar habits. First Glance A quick judgment of the ground color of the breast and eyebrow stripe will separate most waterthrushes: bright white on Louisiana, yellowish on Northern. The Northern Waterthrush is often an unseen singer whose rich, sweet whistles lure listeners into its attractive habitats, the wooded swamps and bogs of northern North America. An unexpected wave of migrants greeted us in the nets this morning with 69 new birds and 7 recaptures of 12 different species. It is very similar to the Northern Waterthrush, but has a more restricted range in both summer and winter. Seems like this differentiation is a tricky one. Northern Waterthrush vs. Louisiana Waterthrush, Kiawah Island Natural Habitat Conservancy, Northern Waterthush: note the speckled throat, Louisiana Waterthrush: note the lack of markings on the throat, Undertail coverts of a Northern Waterthrush, Undertail coverts of a Louisiana Waterthrush. It is looking like a good year for them as we have already banded more than half the total from last fall in the first 6 days of the season. Northern Waterthrush vs. Louisiana Waterthrush An unexpected wave of migrants greeted us in the nets this morning with 69 new birds and 7 recaptures of 12 different species. WE GOTTEM! They are largely ground-dwelling and only seldom seen on branches. The pretty thrush-like warbler Northern Waterthrush Parkesia noveboracensis is a common winter resident on Abaco. Stays on the ground or in low vegetation, constantly bobbing its rear end up and down. The simplest rule of thumb is that true thrushes have spotted or speckled chests; whereas waterthrushes have streaked chests. Some guides seem to say the main clue is the whiter supercilium that widens as it goes behind the eye on the Louisians vs. the buffer, narrowing supercilium of the Northern. Louisiana's supercilium is whiter and bolder like the first bird shows. Northern & Louisiana Waterthrush Difference, THE ‘THRUSH’ THAT ISN’T: NORTHERN WATERTHRUSH ON ABACO, The pretty thrush-like warbler Northern Waterthrush, There’s another far less commonly found waterthrush that also overwinters on Abaco – the closely-related Louisiana waterthrush, The Mr Parkes in question was Kenneth Carroll Parkes (1922 – 2007), an American ornithologist and Chief Curator at the Carnegie Museum of Natural History, Pittsburgh. HOW CAN YOU TELL SIMILAR PLUMAGED THRUSHES FROM THESE GUYS? Perhaps the most diagnostic morphological feature is the throat, which is streaked in the Northern Waterthrush (below left) but plain in its "southern cousin." Photo Gallery < > Feeding Behavior. Maybe one can generalise that the northern is overall a yellower bird, and its legs are more brown than pink. Next look at the shape of the eyebrow stripe, which broadens to the rear … Identification of Waterthrushes Read More » Other notable species include first-of-the-season Willow Flycatcher, Black-throated Blue Warbler, and Worm-eating Warbler. Northern Waterthrush has uniformly colored underside and superciliums as does this bird. The lack of any buffy color on the flanks is also troubling. The Cornell Lab explains the differences between the two waterthrushes thus: “Northern usually has stripes on throat, a slightly smaller bill, a thinner and off-white or cream eyestripe that does not extend as far onto the nape, less pink legs, and a more yellowish wash on the underparts”. Northern Waterthrush vs. Louisiana Waterthrush An unexpected wave of migrants greeted us in the nets this morning with 69 new birds and 7 recaptures of 12 different species. Enter your email address to follow this blog and receive notifications of new posts by email. That, and the fact that similar thrush species are generally larger. A number of true thrushes are recorded for Abaco, many quite similar to the waterthrush; but the speckled vs spotted distinction should be your guide. Despite the name it’s not a real thrush, but it is larger than most of the compact winter warblers that heed the the migratory instinct that “It’s Better in the Bahamas” and make Abaco their overwintering habitat. Bahamas Marine Mammal Research Organisation, RH Red-winged Blackbird (f), Abaco, Bahamas MP3, RH Thick-billed Vireo, Abaco, Bahamas MP3, RH Abaco (Cuban) Parrots, Abaco, Bahamas MP3. The Northern Waterthrush, with a wing chord of 67-82mm, also tends to be a bit smaller than the Louisiana, whose wing chord measures 72-87mm. These streaky brown songbirds lack the bold colors of many other warblers and don’t forage in forest canopies. They aren’t a common bird in the Adirondacks. The two species overlap in summer in parts of the northeast but tend to divide up by habitat there, the Louisiana living along flowing streams, the Northern favoring still waters and stagnant bogs. The noveboracencis part simply means ‘from New York’ in Latin (novum – new; Eboracum – York); and the -ensis is a common suffix meaning ‘from’. Louisiana or Northern Waterthrush. The areas of high concentration are largely accurate, and it is an ongoing research issue to improve the maps for more rarely reported birds like Louisiana Waterthrush, Cerulean Warbler, and Hermit Warbler.
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