Least bittern (male)

P46 Least Bittern
From catalogue, J. Ross Robertson ornithological collection, water color drawings by William Pope, Toronto: Toronto Public Library, 1917:
Section: Ibises, Storks, Herons, Etc. - Order VII - Herodiones, Bitterns and Herons - Family Ardeidae 
Herons and Bitterns are long-legged waders, having straight-pointed bills and with head feathered, except for the lores. 

46-(191) LEAST BITTERN lxobrychus exilis (Male):
An abundant summer resident of the larger marshes of southern Ontario; breeding throughout its range.  Arrives about the middle of May, and leaves early in September. A small variety, very quiet and sly. When approached they will remain perfectly quiet with body erect and the head and neck pointed skyward, in which position their yellowish brown plumage resembles the rushes among which they are found. Their nests are of strips of rushes woven together about upright stalks generally over water. They lay from three to five eggs of a pale bluish white color. Size 1.20 x .90. 

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