35 mm slide; color. Scientific Classification: Kingdom: Animalia; Phylum: Chordata; Class: Aves; Order: Passeriformes; Family: Fringillidae; Genus: Carduelis; Genus species: Carduelis uropygialis. Animal characteristics: Head-Body Length: 13 cm; Identification: The yellow-rumped siskin is sooty black with a bright yellow rump, breast, and belly. There is also a band of yellow across the base of the flight feathers and the basal half of the tail. The majority of birds in this species have their black feathers edged with olive, giving them a mottled effect. The males are darker black and brighter yellow than the females; Habitat: Shrubby slopes and ravines; Diet: Siskin feed primarily on seeds, fruits, and buds but will also eat insects, particularly for feeding to their young; Social Structure: Small groups of siskins will often gather; Behavior: Foraging is done on the ground or in bushes; Status: No special status.