Naming
There are currently six recognised subspecies.⤷ "P. r. rufescens", the nominate subspecies, which occurs in east and northeast India, Bhutan, Bangladesh, south China and Myanmar.
⤷ "P. r. beavani", which occurs in southeast Myanmar, Thailand, Laos and north Vietnam.
⤷ "P. r. peninsularis", which occurs in south Myanmar and south Thailand.
⤷ "P. r. objurgans", which occurs in southeast Thailand and Cambodia.
⤷ "P. r. extrema", which occurs in south Thailand and Peninsular Malaysia.
⤷ "P. r. dalatensis", which occurs in south Vietnam and can be distinguished by the lack of a white loral stripe.
References:
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