The birds laid eggs and raised their young.
Meaning: This means that the birds had babies and took care of them until they were big enough to take care of themselves.
Choice of Words: Laid means to produce eggs. Raised means to care for and bring up young animals or children. When you put them together, "Laid eggs and raised their young" means that the birds produced eggs and took care of their babies until they were grown.
Alternative Expressions
Related Expressions