Can cockatiels eat cucumber?

Yes — safe in normal portions

Yes. Cucumber is a safe, low-calorie vegetable for cockatiels, though it is mostly water and should sit alongside more nutrient-rich vegetables.

Portion: Two or three thin slices, or about a tablespoon (15 ml) of cubes
How often: A few times a week
Sugar: 1.7 g / 100 g

How to serve it

Wash the cucumber
Slice or cube it; skin and seeds can stay
Serve raw and plain
Take away leftovers after a couple of hours

Why

Risks. Little nutritional value; large portions displace better vegetables and loosen droppings.

Benefits. It is hydrating and low in calories, which suits a species prone to weight gain.

Questions owners ask 1

Are pickles okay for cockatiels?

No. Pickles are soaked in salt and vinegar and often contain garlic. Offer only fresh cucumber.

Cucumber: nutrition per 100 g

Water	95.2 g
Energy	15 kcal
Sugars	1.7 g
Fat	0.1 g
Protein	0.7 g
Fibre	0.5 g
Calcium	16 mg
Phosphorus	24 mg
Calcium : phosphorus	0.67 : 1
Sodium	2 mg
Vitamin A (RAE)	5 µg
Vitamin C	2.8 mg

“Cucumber, with peel, raw”, USDA FoodData Central (SR Legacy, FDC 168409). Public domain.

Sources & method 3

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