1. Birds: Some species of birds, including eagles, condors, and hummingbirds, lay only one or two eggs per clutch.
2. Reptiles: Many reptiles, like crocodiles, alligators, and some species of snakes, lay a small number of eggs. Snakes like pythons may lay anywhere from 40-100 eggs.
3. Monotremes: The platypus and echidna, which are monotremes, lay only one or two eggs at a time.
Numerous eggs:
1. Fish: Fish can produce a vast number of eggs during their reproductive season. A single female herring or cod can lay several million eggs at once.
2. Amphibians: Amphibians such as frogs can lay hundreds or even thousands of eggs depending on the species. Some species of tropical frogs are known to lay close to 5000 eggs.
3. Invertebrates: Many invertebrates, including insects, arachnids, and crustaceans, produce huge numbers of eggs to ensure the survival of their species. Some ants and termites can lay over a million eggs.