- Lifespan
- 8–10 years in the wild
- Size & Weight
- 12–13 cm, wingspan 21–25 cm; 14–19 g
- Habitat
- Open woodlands, parks, gardens, orchards, and areas with teasels and thistles for feeding.
- UK Distribution
- Resident throughout England, Wales, and southern Scotland; numbers significantly boosted by continental migrants in autumn and winter.
- Diet
- Primarily small seeds from thistles, teasels, dandelions, and birch; also feeds on cultivated sunflower seeds at garden feeders.
- Predators
- Sparrowhawks, hobbies, and occasionally cats; corvids may prey on eggs and chicks.
- Mating Season
- April to July
- Breeding
- Clutch size 4–6 eggs, incubation period 10–12 days, fledging at 13–15 days; typically 2 broods per season.
- Behaviour
- Highly social, especially in winter when forming flocks of 10–100 birds; performs distinctive bouncing flight with wheezing calls. Males perform acrobatic courtship flights to attract mates.