Keyword Analysis & Research: when did the passenger pigeon go extinct

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did the passenger pigeon go extinct	0.78	0.6	6888	26	40
when	1.93	0.8	4307	73	4
did	0.68	0.1	3202	79	3
the	1.48	0.4	7627	14	3
passenger	1.14	1	6006	87	9
pigeon	0.48	0.4	5952	93	6
go	0.81	0.7	3515	2	2
extinct	0.8	0.3	145	33	7

Keyword	CPC	PCC	Volume	Score
when did the passenger pigeon go extinct	0.17	0.3	4590	100