Field Guide
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Greenfinch
Chloris chloris
Not yet photographed by the community
Stocky green finch, once common, now declining.
Species Profile
Green List (UK Birds of Conservation Concern)
- 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.
- •Greenfinches suffered a severe population decline from 2006 onwards due to trichomonosis, a parasitic disease spread via garden feeders; populations have since stabilised and recovered.
- •The striking yellow wing bars visible in flight are more prominent in males and are key to their identification.
- •They are highly attracted to nyjer seed feeders and sunflower hearts in UK gardens, making them increasingly common garden visitors.
- •Greenfinches have a specialised digestive system allowing them to extract nutrition from tiny seeds that other birds cannot process.
- •They produce a distinctive wheezy, twittering call in flight and perform a characteristic song with rapid trills and wheezes from prominent perches.
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