...I have to threaten and thrash tokeep them honest, while if we are at a village where the natives are alittle pugnacious they are as meek as sucking doves... 
David Livingstone 「The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873」
...Thesword-fish has however the character of being pugnacious...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
... The former live in much larger communities and are far more aggressive and pugnacious than the latter...
Edward Saunders 「Wild Bees, Wasps and Ants」
...I greatly admired the fine, alert figure of the pugnacious little creature, as he perched there so close to me, and so fearless...
W. H. Hudson 「Birds in Town and Village」
... pugnacious...
W. H. Hudson 「Birds in Town and Village」
...The orioles arepeace-loving birds, and dislike the society of thosenoisy, pugnacious little rascals, the English sparrows,which have of late taken possession of our streets...
William J. Long 「Ways of Wood Folk」
...At the smalllake where they were then encamped, there was the ever-present likelihoodof a conflict with the pugnacious natives of the Darling...
Ernest Favenc 「The Explorers of Australia and their Life-work」
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