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No, they are not mammals.
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∙ 16y ago
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Do turkeys have periods?
Birds do not have periods. They lay eggs.
Do budgies have periods?
No. Periods are seen only in placental mammals. Birds do not have them.
When did birds theoretically evolve?
The first true birds likely evolved in the Late Jurassic and Early Cretaceous periods.
Do other animals have periods?
bess dogs, birds. i think monkeys
Can ostriches walk for long periods?
Yes, they are birds of the savannah and have evolved to do just that.
Can female parakeets have periods?
Birds do not menstruate ("have periods"). Only mammals menstruate. If a female bird has blood or non-feces discharge coming out of her cloaca, she needs immediate medical attention. Birds can bleed to death very quickly.
What is the word used for flight of birds from one place to another at certain periods of the year?
migration
What is the gestaton period of a young Kiwi?
Kiwi are birds, so they do not have gestation periods: they have incubation periods for their eggs.The incubation period for a kiwi egg is around 23 days.
Do birds burn a lot of energy during migratory flights?
If birds are going to fly for long periods of time to distant locations during migration, then they will burn a lot of energy.
How do birds get energy?
Birds get there energy for eating, they digest the food that gives them energy. They can fly by having hallow bones, they use there energy as efficiently as possible so they can fly for long periods of time.
What did Birds evolved from?
The general consensus is that they evolved from a group of small theropod dinosaurs.
What can a bird do to kill a dinosaur?
Birds and dinosaurs existed at different time periods. Therefore, birds cannot fight, let alone kill, a dinosaur, so a bird can't do anything to kill a dinosaur. i love Amy
