Can budgies eat oranges?

Yes, in small amounts

Yes, in small amounts. Peeled orange is safe for budgies, but citrus is acidic and sugary, so offer a small piece occasionally and never the peel.

Portion: A piece of one segment about 1 cm (⅜ in) long
How often: Once or twice a week
Sugar: 9.4 g / 100 g

How to serve it

Peel the orange and remove the pith and all pips
Cut a small piece from one segment
Serve plain fruit, never juice or canned orange in syrup
Remove leftovers within a couple of hours

Why

Risks. Citrus peel, pips and leaves contain essential oils and citric acid that can irritate the gut. The flesh itself is acidic and sugary, so large amounts may upset digestion.

Benefits. Veterinary bird-care guides list oranges and other citrus as suitable fruits, and a juicy piece adds variety.

Questions owners ask 2

Can budgies eat mandarins, clementines or grapefruit?

Yes, with the same rules: peeled, pips removed, in small pieces and only occasionally.

Can I add orange juice to my budgie's water?

No. The AAV advises against putting juice in a bird's water because it encourages bacterial growth.

Oranges: nutrition per 100 g

Water	86.8 g
Energy	47 kcal
Sugars	9.4 g
Fat	0.1 g
Protein	0.9 g
Fibre	2.4 g
Calcium	40 mg
Phosphorus	14 mg
Calcium : phosphorus	2.86 : 1
Sodium	0 mg
Vitamin A (RAE)	11 µg
Vitamin C	53.2 mg

“Oranges, raw, all commercial varieties”, USDA FoodData Central (SR Legacy, FDC 169097). Public domain.

Sources & method 4

The sources below discuss oranges for budgies (or for pet birds generally). Confidence: medium. Rated on the JOMIZOO Feeding Scale; when good sources disagree we choose the more cautious level.

Feeding Budgies — VCA Animal Hospitals
How to care for your pet bird — University of Florida Small Animal Hospital, College of Veterinary Medicine
People Foods to Avoid Feeding Your Pets — ASPCA Animal Poison Control Center
Basic Care for Companion Birds — Association of Avian Veterinarians