Some females also have bumps, though they are rarely as large as those of male chicks.

Most of the male chicks are usually killed shortly after hatching.

Ethical concerns about the consumption of eggs arise from the practice of culling male chicks shortly after birth.

It's telling the chicks apart, you know, male or female, so they know who'll grow up to lay eggs.

On average, a male chick will first fly around 10 days earlier than a female chick.

Three weeks after hatching, male chicks are significantly heavier than the females.

After ten days, the male chicks are almost 50% heavier than their sisters.

Studies have shown that when raising all male chicks, the females energy expenditure increases by 27%.

The dispatch of male chicks on an egg farm can be flat-out horrific.

How nice for the harpies if it could give them a male chick!