Tasty

by Nava Thompson

Title

Tasty

Artist

Nava Thompson

Medium

Photograph - Photography

Description

A photo taken by Nava Thompson of a yellow Finch in a tree tasting a spring flower..............................The smallest "classical" true finches are the Andean siskin (Carduelis spinescens) at as little as 9.5 cm (3.8 in) and the lesser goldfinch (C. psaltria) at as little as 8 g (0.28 oz). The largest species is probably the collared grosbeak (Mycerobas affinis) at up to 24 cm (9.4 in) and 83 g (2.9 oz), although larger lengths, to 25.5 cm (10.0 in) in the pine grosbeak (Pinicola enucleator), and weights, to 86.1 g (3.04 oz) in the evening grosbeak (Coccothraustes vespertinus), have been recorded in species which are slightly smaller on average...................They typically have strong, stubby beaks, which in some species can be quite large; however, Hawaiian honeycreepers are famous for the wide range of bill shapes and sizes brought about by adaptive radiation. All true finches have 12 remiges and 9 primary rectrices. The basic plumage colour is brownish, sometimes greenish; many have considerable amounts of black, while white plumage is generally absent except as wing-bars or other signalling marks. Bright yellow and red carotenoid pigments are commonplace in this family, and thus blue structural colours are rather rare, as the yellow pigments turn the blue color into green. Many, but by no means all true finches have strong sexual dichromatism, the females typically lacking the bright carotenoid markings of males................Finches are typically inhabitants of well-wooded areas, but some can be found on mountains or even in deserts. They are primarily granivorous, but euphoniines include considerable amounts of arthropods and berries in their diet, and Hawaiian honeycreepers evolved to utilize a wide range of food sources, including nectar. The diet of Fringillidae nestlings includes a varying amount of small arthropods. True finches have a bouncing flight like most small passerines, alternating bouts of flapping with gliding on closed wings. Most sing well and several are commonly seen cagebirds; foremost among these is the domesticated canary (Serinus canaria domestica). The nests are basket-shaped and usually built in trees, more rarely in bushes, between rocks or on similar substrate. (Wikipedia)

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September 2nd, 2014

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