id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
flmnh-124	Bradley, Richard	Geographic variation in the song of Belding’s Savannah Sparrow (Passerculus sandwichensis beldingi)	1977	46	.pdf	application/pdf	15607	1008	70	In fact examples of species in which one individual sings a variety of song patterns can be found in many higher passerine families. An extreme example of this is song pattern PM-17 (Table 4).	cache/flmnh-124.pdf	txt/flmnh-124.txt