Their lineages diverged roughly 2.5 … On average, the duration of the contact call of inornatus is over 0.30 sec., a length humei never seems to reach. A common species in most of its wide range, the Yellow-browed Warbler is not considered threatened by the IUCN. At no time was any normal inornatus-like call heard. Indeed, their songs are very much different, so breeding birds should not pose any problem, but as wintering birds will refrain from singing (and since I have never heard a singing Hume's Leaf Warbler), I will focus here on the calls. We quickly located Dave Hutton and Bob Duckhouse, the only birders present so far.There was no sign of the critter so I quickly whipped out my iPad to play Dave the calls of both Yellow-browed Warbler and Hume's Warbler from my 'Calls of Eastern Vagrants' CD.He screwed up his rosy cheeks as I went through the various calls of the much commoner Yellow-browed Warbler. This used to be treated as a race of Yellow-browed but is now regarded as a full species in its own right. Bill and legs usually dark. Zeldzame vogels van Nederland - Rare birds in The Netherlands. Hume's leaf warbler overlaps its breeding range with yellow-browed warbler in the western Sayan Mountains, but the species apparently do not hybridise. Also the centres to both the tertials and coverts are rather dark, these wouldn't be quite so striking on a Hume's. Tweet of the Day is a series of fascinating stories about the British birds inspired by their calls and songs. enquiries: admin@rarebirdalert.co.uk or call 01603 457016, This was the bird giving the Hume's call, St.Mary's, Isles of Scilly (© Richard Stonier), Sonogram with annotations by Magnus Robb (© The Sound Approach), Same bird but in a different lighting situation (© Steve Young), Why not check out our great value bird news subscriptions. A small, green warbler similar in size to a goldcrest. However, the bird looked like a Yellow-browed (P.inornatus) although the underparts looked duller white. All sonograms are given for a full second, in a frequency range of 0-10 kHz (top figures). Small, active warbler with greenish upperparts, white underparts, distinct pale yellowish eyebrow, and distinct pale wingbars (upper wingbar short and less distinct). In some of these cases, vocal characters have played a major role in the delimiting process. Hume's Leaf Warbler overlaps its breeding range with Yellow-browed Warbler in the western Sayan Mountains, but the species apparently do not hybridise. Despite Nick not having his normal equipment for the recording, Magnus was still able to make some sonograms from them, and they are reproduced here, along with Magnus’ comments. The probable status of Hume’s Leaf Warbler in South Korea is unclear, but it perhaps occurs reasonably regularly in April and May as an "overshoot" and in the autumn as a "reverse migrant". The Western Hume's leaf warbler's range overlaps with that of the yellow-browed warbler in the western Sayan Mountains, but the species apparently do not hybridize. The divergence between the two species has been tentatively estimated at roughly 2.5 million years ago (mya), and that between P. h. humei and P. h. mandelli at about 1 mya. The genus Phylloscopus comprises, dependent on the views of the taxonomists, 43-52 species. Turn up the volume to hear it. Another example of such a species pair is Yellow-browed Warbler P. inornatus/Hume's Leaf Warbler P. humei. A Yellow-browed Warbler calling in the north Kilmory Glen tree plot Isle of Rum 11 October 2017. ", "The Sound Approach has three recordings of 'veest' calls of Hume's and they reach a maximum of around 7 kHz, the same as in the recording, and lower than our examples of Yellow-browed. Nominate inornatus normally has a multisyllabic call, but this can (in some cases) be squeezed into a(n almost) single-tone type call. More here >, copyright Rare Bird Alert 2020. However, and this is what I intended to be the scope of this article, the two taxa can in autumn and winter be separated by their calls. From my knowledge of the literature and sound recordings, I judged that this sounded much like a Hume’s Yellow-browed Warbler (Phylloscopus humei). Please comment or send us an e-mail if there is anything we can help you with.-Håvard I don't know of any websites that have recordings of them, but maybe others will. Hi Xuky, Welcome to the forum! Birds of Europe, with North Africa and the Middle East. Once regarded as a race of Yellow-browed, it was split by the BOU in the late nineties and, with approximately 123 UK records, it’s a national rarity. The best distinction from the Yellow-browed is the more disyllabic call. Ideal to call or train. A common species in most of its wide range, the yellow-browed warbler is not considered threatened by the IUCN. Hume's Warbler (Approximate range. They have been lumped together as one species in the past, but were recently assigned specific status. The respective wave-figures are given, too (bottom figures), to give an idea of the amplitude of each call.

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