Birds
Budgerigar
Melopsittacus undulatus · also called budgie, parakeet
A flock of wild budgerigars numbering in the thousands sweeps across the Australian outback, chasing the green flush of grass that followed a recent rainfall days earlier. There is no fixed home to return to here, only the next patch of seeding grass wherever the rain happens to fall next.
Overview
The budgerigar, Melopsittacus undulatus, is a small, nomadic parrot native to the grassland and semi-arid interior of Australia. Its unpredictable, rainfall-driven movement pattern and capacity for vocal mimicry set it apart from most other small parrot species kept worldwide as pets.
A life built around uncertainty
Rather than defending a fixed territory, the wild budgerigar has built its entire survival strategy around following unpredictable rain, an approach that trades stability for the ability to exploit sudden abundance wherever it happens to appear across the vast Australian interior.
Status
Least Concern — widespread and stable across suitable grassland and semi-arid habitat throughout the Australian interior.
Budgerigar: common questions
Why do budgerigars travel in such large flocks?
Wild budgerigars live nomadically, moving across the Australian interior in response to unpredictable rainfall patterns, and because rain can trigger sudden abundant growth of the grass seeds they depend on, large numbers of budgerigars often converge on the same favourable area at once, sometimes forming flocks numbering in the thousands.
Why do pet budgerigars come in so many colours if wild ones are mostly green?
While wild budgerigars are predominantly green and yellow, generations of selective breeding in captivity have produced an enormous range of colour mutations, including blue, white, and grey varieties, colours that offer little camouflage advantage in the wild but have been deliberately selected for and preserved among captive-bred populations.
Can budgerigars really learn to talk?
Yes, a budgerigar is capable of learning to mimic human speech and other sounds, and some individual captive budgerigars have been recorded with vocabularies numbering in the hundreds of words, making them one of the more vocally accomplished small parrot species commonly kept as pets.
Where do budgerigars live in the wild?
The budgerigar is native to grassland and semi-arid habitat across the interior of Australia, where wild populations move nomadically in response to rainfall rather than settling permanently in one location, following the availability of the seeding grasses that make up most of their diet.