* Florida caerulea. Little Blue Heron. Regular postbreeding summer visitant; rare and local summer resident; occasional in spring. Usually more common than Snowy Egret. One nesting record: one nest found, summer, 1952, 6 miles north and 4½ miles west of Garden City, Finney County, Marvin D. Schwilling.
Subspecies in Kansas: F. c. caerulea (Linnaeus).
* Butorides virescens. Green Heron. Common transient and summer resident.
Subspecies in Kansas: B. v. virescens (Linnaeus).
* Nycticorax nycticorax. Black-crowned Night Heron. Transient and summer resident, breeding in scattered colonies.
Subspecies in Kansas: N. n. hoactli (Gmelin).
* Nyctanassa violacea. Yellow-crowned Night Heron. Summer resident throughout state, rare in north; numbers perhaps augmented in late summer by postbreeding stragglers.
Subspecies in Kansas: N. v. violacea (Linnaeus).
* Botaurus lentiginosus (Rackett). American Bittern. Common transient; summer resident locally. Two definite nesting records: nest with 4 newly hatched young (male collected, KU 30468), ½ mile east and 2 miles south of Welda, Anderson County, June 9, 1951, Maurice F. Baker; nest with eggs, 6 miles north and 3½ miles west of Kalvesta, Finney County, summer, 1952, Raymond Erkic (fide Marvin D. Schwilling).
No subspecies recognized.