"Green-backed heron" is a collective term for certain
herons. Small and compact among herons, these birds often feature green plumage – rare among the
Ardeidae –, in particular on the back, wings and
scapulars.
They were formerly believed to make up a single
speciesButorides striata, but are now treated as three largely
allopatric species:
^Norris (1975), Boswall (1983), Walsh et al. (1985), Robinson (1994)
References
Boswall, J. (1983): Tool-using and related behavior in birds: more notes. Avicultural Magazine89: 94-108.
Norris, D. (1975): Green Heron (Butorides virescens) uses feather lure for fishing. American Birds29: 652–654.
Robinson, S.K. (1994): Use of bait and lures by Green-backed herons in Amazonian Peru. Wilson Bulletin106(3): 569-571
Walsh, J.F.; Grunewald, J. & Grunewald, B. (1985): Green-backed herons (Butorides striatus) possibly using a lure and using apparent bait. J. Ornithol.126: 439–442.
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