Yes, however, iceburg lettuce has no nutritional value whatsoever. If you want to feed your bird greens, use romaine, kale, collard, spinach, etc., greens.
Yes, a parakeet can eat lettuce as part of their diet, but they cannot solely survive on it.
However avoid feeding iceberg lettuce to any species of bird. Iceberg lettuce has no nutritional value (even for humans) and is mostly water, therefore will lead to diarrhoea in birds.
There is some great information on the internet, such as this article (click here), about feeding birds.
yes. parakeets can eat worms. i am currently owning a parakeet and have for 70 years. i am an avian vet and have great looking birds. parakeet can eat worms but it is not part of their main diet, pellets and seeds and greens, such as lettuce, celery and fruits such as strawberries, and grapes, are much better for them, also parakeets don't like meat much so don't try feeding them worms to often.
No parakeets CAN NOT eat spinach !!
parakeets are naturally vegetarians, but they sometimes eat small insects
Yes, Parakeets can eat berries.
my parakeets eat wheat that's in their bird seed so parakeets do.
Yes parakeets can eat vegetables. Some vegetables that they like are lettuce, kale, carrots, tomatoes, radishes, peppers, snow peas, and cauliflower.
Parakeets are technically omnivores, but the animal-derived food that they normally eat is the occasional insect. It's not common for them to eat meat. It is possible for a parakeet to eat its own young but it is not likely. An inexperienced parent bird may kill its chicks but it probably will not eat them.
Lettuce
Yes. They can.
No, Parakeets only eat Fruits, Seeds, Viggies and some may have some nectar from flowers. They are Herbivorous.
lettuce may be fine, but it has no nutrients in it, it is better to give them other greens. Broccoli, carrots, yams, spinach and a good basic seed mix. Do not feed chocolate or avocados, they are highly allergic to these things. Dont forget the Grit either.
Yes. Parakeets and hamsters can eat each other"s food because it mostly consists of seed.