...I have also caughtthem preparing and eating sea gulls, terns, blue heron, egret andeven the bittern... 
William T. Hornaday 「Our Vanishing Wild Life」
...Cory's Least Bittern...
Chester A. Reed 「The Bird Book」
...This small variety of Bittern is very commonin the southern portions of the United States, butless so and locally distributed in the northernportions of its range...
Chester A. Reed 「The Bird Book」
...It is very different from the Least Bittern,having a more uniform chestnut coloration, especially on the under parts...
Chester A. Reed 「The Bird Book」
...Willughby, who wrote about the same time, 1676, says:'The Bittern, or Mire-drum, it is said, makes either three or fiveboomings at a time—always an uneven number...
Rev. C. A. Johns 「British Birds in their Haunts」
..."The Gun" showed afine bittern and heron, and, I think, some other birds, alsodepending from a branch, with a gun and some old-fashioned tools(powder-flask, etc...
Montagu Browne 「Practical Taxidermy」
...We no longer heard the discordant shriek ofthe parrots, or the hoarse croaking note of the bittern...
Charles Sturt 「Expedition into Central Australia」
...--Spotted Bittern...
Charles Sturt 「Expedition into Central Australia」
...On our first arrivalat the Depot there was a bittern, Ardetta flavicollis, that frequentedthe creek in considerable numbers...
Charles Sturt 「Expedition into Central Australia」
...--The Bittern...
Charles Sturt 「Expedition into Central Australia」
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