← All breeds ISA Brown ISA Brown breed profile: Brown eggs, single comb, yellow legs, medium, top layer.
Standard at a glance This is an approximate profile for a rarer or variable breed. Check it against your own standard.
Eggs
Comb Single comb
Feather pattern Solid feathers
Legs Yellow
Skin Yellow Size, laying and temperament
Frame height medium
Egg production top layer
Broodiness never broody
Docility calm
Bone density medium
Foraging skill decent forager
Cold hardiness fairly hardy On the app's 1 to 5 scale. Load this breed as a goal and every bird you score is matched against it.
Crosses with ISA Brown What a ISA Brown hen throws with a rooster of each breed. Open one for both directions and the full genetics.
× Ameraucana Green eggs, pea comb × Araucana Green eggs, pea comb × Barred Plymouth Rock Brown eggs, single comb × Bielefelder Brown eggs, single comb × Black Australorp Brown eggs, single comb × Black Copper Marans Brown eggs, single comb × Blue Andalusian Cream/tinted eggs, single comb × Buff Orpington Brown eggs, single comb × Cochin Brown eggs, single comb × Delaware Brown eggs, single comb × Dominique Brown eggs, rose comb × Easter Egger Green or Cream/tinted eggs, pea comb × Faverolles Brown eggs, single comb × Golden Comet Brown eggs, single comb × Jersey Giant Brown eggs, single comb × Legbar Green eggs, single comb × Light Brahma Brown eggs, pea comb × New Hampshire Brown eggs, single comb × Olive Egger Olive or Brown eggs, pea comb × Polish Cream/tinted eggs, single comb × Rhode Island Red Brown eggs, single comb × Silkie Brown eggs, single comb × Silver-Laced Wyandotte Brown eggs, rose comb × Speckled Sussex Brown eggs, single comb × Welsummer Brown eggs, single comb × White Leghorn Cream/tinted eggs, single comb Now with your own birds Load the ISA Brown standard as your breeding goal in one tap. Add your flock, set a breeding goal, and the pairing engine ranks every hen and rooster you own against it. Free for up to 15 birds.
Sources Breed standards and profiles The Livestock Conservancy: breed pages and the "Pick a Breed" comparison chart (egg colour, rate of lay, broodiness, temperament, foraging, cold hardiness) Oklahoma State University, Breeds of Livestock: chickens (comb, skin and shank colour, egg colour, weights, origin) University of Wisconsin-Madison Extension A2880, Chicken Breeds and Varieties (egg colour, skin colour, comb, class and use) American Poultry Association, recognised breeds and varieties (which breeds and varieties are standardised) The Poultry Club of Great Britain, breed pages (British and rare breeds) Checked September 2026. Hybrids and breeds no reference covers are marked approximate. Egg colour on these pages follows one rule: Brown is any shade a buyer would call brown; Cream/tinted is off-white.