Species Profile

Serin

Serinus serinus

Serin

Quick Facts

Conservation

LCLeast Concern

Lifespan

2–3 years^[4]

Length

11–12 cm

Weight

10–15 g

Wingspan

20–23 cm

Migration

Partial migrant

A cheerful yellow songbird with a canary-like voice, this tiny finch brightens gardens and woodlands across Europe and North Africa.

Also known as: European Serin

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Appearance

The Serin is a small, compact finch with a short, stubby bill. Males display bright yellow-green plumage on the face, throat, and breast, contrasting with brown-streaked upperparts. Their wings feature distinctive yellow wing bars.

Females are duller, with more subdued yellows and heavier streaking. Both sexes have forked tails and brownish-pink legs. Juveniles resemble females but have even less yellow colouration. During winter, both sexes' plumage becomes slightly duller.

Identification & Characteristics

Male Colors

Primary: Yellow
Secondary: Brown
Beak: Grey
Legs: Brown

Female Colors

Primary: Brown
Secondary: Yellow
Beak: Grey
Legs: Brown

Female Markings

Less vibrant yellow and more streaked than males

Attributes

Agility85/100

Strength20/100

Adaptability75/100

Aggression30/100

Endurance60/100

Understanding Attributes

Rated 0–100 based on research and observation. A score of 50 is average across all bird species. These attributes are relative and don't necessarily indicate superiority.

Habitat & Distribution

Serins inhabit a wide range of open habitats across Europe, North Africa, and parts of the Middle East. They prefer areas with scattered trees, such as open woodlands, orchards, parks, and gardens.

In winter, many northern populations move southward, while those in southern Europe and North Africa tend to be resident. In the UK, Serins are rare visitors, mainly observed along the south and east coasts during migration periods.

Reports of UK breeding pairs are sporadic, with only one or two pairs noted each year. These sightings are limited to eastern and southern England, Devon, Dorset, Sussex and East Anglia, and occasionally on the Channel Islands.

Distribution

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Diet

Serins primarily feed on small seeds from various plants, including grasses, dandelions, and thistles.

They supplement their diet with buds, young leaves, and occasionally small insects, including spiders, larvae and grasshoppers, especially during the breeding season when feeding their young.

Behaviour

Serins are active and agile birds, often seen flitting between branches or hopping on the ground. They frequently gather in small flocks, especially outside the breeding season.

When feeding, Serins can be observed hanging upside down on seed heads, showcasing their acrobatic skills.

Calls & Sounds

Unlike the tuneful melody of their close cousin, the canary, the Serin's song is a rapid, high-pitched trill, often described as sounding like a tiny bell or a bunch of jangling keys. It's typically delivered from a prominent perch or during flight. Their call is a soft, plaintive 'tsi-tsi' or 'tsilip'.

The delicate rapid notes, sung almost exclusively by the male, can be heard all year round, although less frequently in autumn and winter.

Nesting & Breeding

Breeding season for Serins typically begins in April and can last until August. Males perform elaborate flight displays to attract females, singing while flying in wide circles.

Nests are small, neat cups made of fine twigs, grass, and moss, lined with feathers and plant down. They are usually placed in the outer branches of trees or shrubs. Females lay 3-4 pale blue eggs with dark spots.

Incubation lasts about 13 days, carried out by the female. Both parents feed the chicks, which fledge after 15-18 days. Pairs often raise two or three broods per season.

Conservation

While the Serin is currently listed as Least Concern, some local populations have experienced declines due to habitat loss and agricultural intensification.

Conservation efforts focus on maintaining diverse habitats and promoting wildlife-friendly farming practices in their range.

LCLeast Concern

^[1]

Population

Estimated: 46,500,000 - 70,000,000 mature individuals^[3]

Trend: Decreasing^[2]

Elevation

Up to 2,000 meters

Additional Details

Predators:: Serins are preyed upon by various small raptors such as Sparrowhawks and Merlins, as well as domestic cats in urban areas.

Birdwatching Tips

Look for Serins in open woodlands, parks, and gardens with scattered trees
Listen for their high-pitched, rapid-trilling song, often delivered from treetops
Observe feeders in urban areas, where they may visit for seeds
In the UK, focus on southern coastal areas during spring and autumn migrations

Did You Know?

Serins are one of the smallest finches in Europe.
Their scientific name, Serinus serinus, is an example of a tautonym, where the genus and species names are identical.
In some regions, Serins have adapted well to urban environments and can be common in city parks and gardens.