Here are the only shots I took of this bird before it took off,
Location: Haleji lake, Sindh, Pakistan
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|Tuesday 14th April 2020, 10:11||#2|
Join Date: Aug 2010
If so, its southernmost breeding populations in west-central China comprise the largest in the cristatus-collurio-isabellinus complex, but it is the least studied, perhaps being associated with saxaul and salt cedar habitat. It winters in Pakistan and northern India. Its taxonomic status is uncertain, some Russian authorities separating it with part ot all of taxin speculigerus as a polytypic species. Perhaps it is concenient at present to regard tsaidamensis under the informal English name of 'Eastern Red-backed Shrike'...
However, others with better field knowledge than I may offer a different solution!
The fuzziness of all supposedly absolute taxonomic distinctions - Stephen Jay Gould (1977) "Ever Since Darwin: Reflections in Natural History".
Species and subspecies are but a convenient fiction - Kees van Deemter (2010), "In praise of vagueness". Biology is messy
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