Sexing Day-Old Chicks: How to Identify Pullets and Cockerels

Depending on the breed of your chicks, there are four ways to reliably separate the males from the females.

TOP. Open vent. The interior border is rolled back and genitalia is exposed. Chick is a pullet (no bulb protrudes at lower brim). ABOVE: Whoops! Chick defecates as author spreads vent.