The Eurasian siskin is a small finch, known for its bright yellow-green plumage and distinctive black cap in males. It is commonly found in forested areas across Europe and parts of Asia, feeding primarily on seeds.
Overview of the Eurasian Siskin
The Eurasian siskin, scientifically known as Spinus spinus, is a small finch found widely across Europe and parts of Asia. It is commonly referred to as the European siskin or simply siskin. This bird is known for its vibrant plumage and sociable behavior.
Physical Characteristics
Male vs. Female
| Attribute | Male | Female |
|---|---|---|
| Coloration | Bright yellow-green with black cap and wings | Pale grey with yellow-green wingbars |
| Size | 11–12.5 cm in length | 11–12.5 cm in length |
| Weight | 12–18 grams | 12–18 grams |
The male siskin is more colorful, featuring a striking yellow face and breast, while females are more subdued in color.
Habitat and Distribution
The Eurasian siskin prefers forested areas, particularly coniferous and mixed woodlands. It is a migratory bird, with movements decreasing from northern to southern regions. During winter, it may form large flocks, especially when food is scarce.
Diet
Eurasian siskins primarily feed on seeds, particularly from conifers and alder trees. They also consume shoots and fruits, and occasionally invertebrates.
Conservation Status
The Eurasian siskin is classified as "Least Concern" by the IUCN, with an estimated global population of 20 to 36 million. Its numbers have remained stable, benefiting from habitat changes and the availability of bird feeders in gardens.
