Flame Robin
Petroica phoenicea
The largest of the red robins, the flame robin is 12–14 cm (4.7–5.5 in) long. It has a more slender build than other members of the genus Petroica, with relatively long wings and neck and small head. The male is easily distinguished by the bright orange-red plumage of the throat, breast, and abdomen. The crown, nape, ear coverts, hindneck, and sides of neck are dark grey, and lores and chin are a grey-black. The grey feathers of the sides of the crown may be suffused with dull orange. The rest of the upperparts, comprising the wings, back and tail, are dark grey.
ID text from Wikipedia, CC BY-SA 4.0
Red-capped Robin
Petroica goodenovii
The smallest of the red robins, the red-capped robin is 10.5–12.5 cm (4.1–4.9 in) long with a wingspan of 15–19.5 cm (5.9–7.7 in), and weighs around 7–9 g (0.25–0.31 oz). Males and females are of similar size. It has longer legs than the other robins of the genus Petroica. The male has a distinctive scarlet cap and breast. Its upperparts are jet-black with white shoulder bars, and its tail is black with white tips. The underparts and shoulder are white. All colours are sharply delineated from one another.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Flame Robin and Red-capped Robin.