It has something to do with their instincts. It's their instict to lay three eggs, because of their prior knowledge.
3 small brown eggs.
Herring gulls typically lay their eggs in late April to early June, with peak egg-laying occurring in May. The exact timing can vary based on geographic location and environmental conditions. After laying, the female usually incubates the eggs for about 28 to 30 days before they hatch.
In Texas, several bird species lay white eggs, including the American Robin, Northern Mockingbird, and Mourning Dove. Additionally, some species of gulls and terns, such as the Least Tern, also lay white eggs. These eggs may vary slightly in shade and texture, but they are generally characterized by their white color.
They lay eggs and heat it with covered grass
Cows do not lay eggs,Cows do not lay eggs,
They lay eggs
Gulls are classified as vertebrates because they have a backbone. more specifically in the bird classification because they take oxygen through their lungs, they maintain their own temperature (homeotherm). They reproduce through internal variation, so they lay eggs (oviparous).
caterpilles do not lay eggs. no thay lay white eggs
They lay eggs.
Almost all species of amphibians lay eggs.
why do inseets lay their eggs in a