Assertion: scarlet robin | /r/CapableOf | take on orange hue
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text: The colour alone is not a reliable guide to determine the species, as some scarlet robins (P. boodang) take on an orange hue, but while male scarlet and red-capped robins (P. goodenovii) have red breasts and black throats, the flame robin's breast plumage extends right up to the base of the bill.