Eastern rosella: incubation period, weaning age and breeding
Eastern rosella eggs hatch after 19–21 days of incubation. Chicks fledge at 30–35 days and are weaned and independent at about 49–56 days. A typical clutch is 4–9 eggs.
Breeding numbers
| Item | Value |
|---|---|
| Adult weight (g) | 90-120 |
| Length (cm) | 30 |
| Clutch size | 4-9 |
| Incubation (days) | 19-21 |
| Fledging (days) | 30-35 |
| Weaning / independence (days) | 49-56 |
| Breeding age (maturity) | 12–24 months |
| Lifespan (years) | 15-20 |
| Breeding season | Spring |
| Sexing | Cock brighter, larger head; adult cock loses underwing stripe, hen keeps it. |
Origin: South-east Australia and Tasmania — Scientific name: Platycercus eximius
Size: 30 cm, 90-120 g
Breeding and care tips
Aggressive to other species; one pair per flight. Loves bathing.
Mutations and colours
Named only (not confirmed or polygenic — not used in the calculation): Red opaline, Cinnamon, Lutino, Pastel (dilute), Melanistic (black).
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
- Peach-faced lovebird
- Fischer's & masked lovebird
- Black-cheeked lovebird
- Nyasa Lilian's lovebird
- Cockatiel
- Indian ringneck
- Alexandrine parakeet
- Plum-headed parakeet
Frequently asked questions
How long do Eastern rosella eggs take to hatch?
Eastern rosella eggs hatch after 19-21 days of incubation.
How many eggs does a Eastern rosella lay?
Usually 4-9 eggs per clutch.
When do Eastern rosella chicks leave the nest?
Chicks fledge at about 30-35 days old.
When are Eastern rosella chicks weaned?
They are weaned and independent at about 49-56 days.
At what age can a Eastern rosella breed?
A Eastern rosella reaches breeding age at about 12–24 months; pairing earlier is not advised.
What is the Eastern rosella breeding season?
Spring
How do you tell a male Eastern rosella from a female?
Cock brighter, larger head; adult cock loses underwing stripe, hen keeps it.
How long does a Eastern rosella live?
About 15-20 years with good care.