Saffron Siskin

The saffron siskin (Spinus siemiradzkii) is a species of finch in the family Fringillidae. It is found in Ecuador and Peru. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical dry shrubland, and urban areas. It is threatened by habitat destruction and the IUCN has assessed it as being a "least concern species". == Description == The saffron siskin grows to a length of about 10 to 10.5 cm (3.9 to 4.1 in). Like other siskins, the colours of this bird are black, olive and yellow, with black wings and a prominent yellow band on the bases of the flight feathers and another on the wing coverts. The male differs from the male hooded siskin (Spinus magellanicus) in having an unstreaked, golden-olive back and bright yellow underparts. The female differs from the female hooded siskin by being altogether yellower, with yellow underparts rather than grey. == Distribution and habitat == The saffron siskin is endemic to southwestern Ecuador and northwestern Peru. It is an uncommon bird found near the edges of dry woodland and in adjoining scrubland at altitudes below 600 m (2,000 ft). == Ecology == The behaviour of the saffron siskin is similar to that…