Kona grosbeak

Kona grosbeak
Specimen in Bishop Museum, Honolulu
Conservation status
Extinct (1894)  (IUCN 3.1)[1]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Passeriformes
Family:	Fringillidae
Subfamily:	Carduelinae
Genus:	†Chloridops
Species:	†C. kona
Binomial name
†Chloridops kona Wilson, SB, 1888
Synonyms
Psittirostra kona (Wilson, 1888)

The Kona grosbeak (Chloridops kona) is an

The Kona grosbeak, at 15 centimetres (5.9 in), was a medium-sized, chunky bird. Its plumage was a dull olive green, and did not display sexual dimorphism. The bird had a large head and a giant, brownish-gray beak.^[3]

Diet

The Kona grosbeak was a

“The Chloridops kona (Kona grosbeak), though an interesting bird on account of its peculiar structure, is a singularly uninteresting one in its habits. It is a dull, sluggish, solitary bird and very silent-its whole existence may be summed up in the words “to eat.” Its food consists of the seeds of the fruit of the aaka (Myoporum sandwicense) (bastard sandal-tree, and probably in other seasons of those of the sandalwood tree), and as these are very minute, its whole time seems to be taken up in cracking the extremely hard shells of this fruit, for which its extraordinarily powerful beak and heavy head have been developed. I think there must have been hundreds of the small white kernels in those that I examined. The incessant cracking of the fruits when one of these birds is feeding, the noise of which can be heard for a considerable distance, renders the bird much easier to see than it otherwise would be. It is mostly found on the roughest lava, but also wanders into the open spaces in the forest. I never heard it sing (once mistook the young Rhodacanthis -greater koa finch song for that of Chloridops), but my boy informed me that he had heard it once, and its song was not like that of Rhodocanthis. Only once did I see it display any real activity, when a male and female were in active pursuit of one another amongst the sandal-trees. Its beak is nearly always very dirty, with a brown substance adherent to it, which must be derived from the sandal-tree.”

References