Having short legs, as the breed of hens called creepers.
The Century Dictionary (Public Domain)
Use "short-legged" in a sentence
"They were originally bred to go down fox holes, assisting the Hunt, but nowadays most are of a short-legged variety that delight in catching rats."
"We were sitting around the small gas burner on cushions, crossed legs tucked snugly beneath the short-legged table, happily eating out of a large, steaming nabe pot filled with an assortment of seafood and vegetables, when Older-Brother cracked a crab claw and screamed."
"Small and/or short-legged dogs have a hell of a time with geese in deep water and ice."