Spinus xanthogastrus

The Eurasian siskin (Spinus spinus), also called the European siskin, common siskin or just siskin, is found throughout Europe… (More)

Avian haemosporidian parasites of the genus Haemoproteus (Haemoproteidae, Haemosporida) are widespread, and some species cause… (More)

Chlamydia psittaci is a zoonotic pathogen with a wide range of avian hosts and may be transmitted to humans and cause severe… (More)

—mtDNA phylogeny of North American Carduelis pinus group. Aims: To uncover the genetic relationships within the Carduelis genera… (More)

The coloured feathers of Carduelis spinus (Siskin), C. flammea (Redpoll), Serinus serinus (Serin), Loxia curvirostra (Crossbill… (More)