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  1. awiner

    Subspecies groups and future splits

    FYI: ages ago, Paul Coopmans (RIP) noted that the songs of White-tipped Sicklebill were very different on the opposite sides of the Andes in Ecuador. No idea if anyone investigated that further.
  2. awiner

    Subspecies groups and future splits

    The Fiji populations of Fan-tailed Cuckoo might be distinct - see Phil Gregory's comments on XC116598 Fan-tailed Cuckoo (Cacomantis flabelliformis) .
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