Sunbird and spittlebug

posted in: Feeding-invertebrates, Sunbirds | 0

Samson Tan was at Singapore’s offshore island of Pulau Ubin on the morning of 2nd August 2009 when he noticed a female Brown-throated Sunbird (Anthreptes malacensis) feeding on a froghopper or spittlebug (Clovia sp.). This is a sap-sucking insect, whose … 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

Rictal bristles

posted in: Feathers-maintenance, Pigeon-Dove | 2

Lena Chow sent in an image of the Spotted Dove (Streptopelia chinensis) showing short rictal bristles arising from the base of the bill (below). We are familiar with the long bristles in nightjars but unfamiliar with short bristles as seen … Continued

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