Taiwan Blue Magpie vs Yellow-billed Blue Magpie

Taiwan Blue Magpie

Urocissa caerulea

Medium257 gForest

It is 63–68 cm (25–27 in) in length. The tail measures around 34–42 cm (13–17 in) in length, and the wings are 20 cm (7.9 in) long. It weighs 254–260 g (9.0–9.2 oz). The plumages of the male and female are similar. The head, neck and breast are black. The eyes are yellow, and the bill and feet are red. The rest of the plumage is mostly blue. The wings and tail feathers have white tips. The underwing-coverts are dark grey, and the flight feathers are light grey. The uppertail-coverts have black tips. The central pair of tail feathers are the longest. The other tail feathers have black bands.

ID text from Wikipedia, CC BY-SA 4.0

Photo: Weiting Liu · CC BY 4.0

Yellow-billed Blue Magpie

Urocissa flavirostris

Medium149 gForest

Length 66 cm (26 in), including tail of about 46 cm (18 in). Sexes alike. Head, neck, and breast black, with a white patch on the nape; remainder of lower plumage white, faintly tinged with lilac; whole upper plumage purplish-blue, brighter on the wings and tail; flight feathers tipped with white, along with white outermost wing feathers; tail long and graduated, with blue feathers tipped with white, except for the very long central pair which have a band of black in front of the white

ID text from Wikipedia, CC BY-SA 4.0

Photo: Mathieu Soetens · CC BY 4.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Taiwan Blue Magpie and Yellow-billed Blue Magpie.