Olive-backed Sunbird’s tongue

posted in: Morphology-Develop., Sunbirds | 1

Jason Cho’s image of the female Olive-backed Sunbird (Cinnyris jugularis) shows the bird with its tongue extended. This means that the sunbird can probe flowers whose length are longer than the bird’s bill, since the tongue extends beyond the tip … Continued

Oriental Pied Hornbill’s bill

posted in: Hornbills, Morphology-Develop. | 3

The bill of the Oriental Pied Hornbill (Anthracoceros albirostris), like in all hornbills, is long, decurved and topped with a protruding casque. The casque is hollow and extremely light, supported internally by bony ridges and rods. The hollow structure functions … Continued

Tale of an albino crow

posted in: Morphology-Develop. | 3

“Following up on Daisy O’Neill’s post, attached are photos taken in 1973 of another unusually-coloured crow that used to reside with me. It’s not because the photos are old and faded – but that crow is actually white. KC Tsang … Continued

Leucism in crows

posted in: Crows, Morphology-Develop. | 9

A pair of House Crows (Corvus splendens) was observed in a residential area perched on a television antenna. One was black and the other was a light brown colour- and that was something odd (below left). Let’s listen in. “Ma, … Continued

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