Eurasian bullfinch: incubation period, weaning age and breeding
Eurasian bullfinch eggs hatch after 12–14 days of incubation. Chicks fledge at 15–17 days and are weaned and independent at about 30–35 days. A typical clutch is 4–5 eggs.
Breeding numbers
| Item | Value |
|---|---|
| Adult weight (g) | 21-30 (major larger) |
| Length (cm) | 15-17 |
| Clutch size | 4-5 |
| Incubation (days) | 12-14 |
| Fledging (days) | 15-17 |
| Weaning / independence (days) | 30-35 |
| Lifespan (years) | 8-12 |
| Breeding season | May-Jul |
| Sexing | Cock rose-red breast; hen grey-brown breast. |
Origin: Europe and Asia — Scientific name: Pyrrhula pyrrhula
Size: 15-17 cm, 21-30 (major larger) g
Breeding and care tips
Needs buds, berries and insects; one pair per quiet cage.
Mutations and colours
Mutations Zajel calculates: Pastel, Topaz. Named only (not confirmed or polygenic — not used in the calculation): Brown, Yellow (red replaced), White.
Zajel's genetics lab predicts chick colours from both parents for established mutations only; disputed ones are shown with a note and left out of the calculation.
Need the exact date? Use the egg hatch calculator and the weaning age chart.
Related species
- Budgerigar
- Canary
- Zebra finch
- Red-headed finch
- Gouldian finch
- Bengalese society finch
- Java sparrow
- Owl finch
Frequently asked questions
How long do Eurasian bullfinch eggs take to hatch?
Eurasian bullfinch eggs hatch after 12-14 days of incubation.
How many eggs does a Eurasian bullfinch lay?
Usually 4-5 eggs per clutch.
When do Eurasian bullfinch chicks leave the nest?
Chicks fledge at about 15-17 days old.
When are Eurasian bullfinch chicks weaned?
They are weaned and independent at about 30-35 days.
What is the Eurasian bullfinch breeding season?
May-Jul
How do you tell a male Eurasian bullfinch from a female?
Cock rose-red breast; hen grey-brown breast.
How long does a Eurasian bullfinch live?
About 8-12 years with good care.