why do flocks of birds fly in circles

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why do flocks of birds fly in circles	1.16	0.5	6759	94	37
why	0.47	0.4	1464	42	3
do	1.97	0.6	3186	1	2
flocks	0.46	0.1	5244	21	6
of	0.39	0.8	452	75	2
birds	0.24	0.2	4871	28	5
fly	1.04	0.1	3571	95	3
in	0.73	0.9	1079	84	2
circles	0.2	0.4	8204	47	7

Keyword	CPC	PCC	Volume	Score
why do flocks of birds fly in circles	0.06	0.4	6337	3
why do birds fly in circles	0.16	0.5	3054	18
why do birds fly in flocks	0.75	0.5	7449	32
why do birds fly in circles repeatedly	0.91	0.7	8661	94
why are birds flying in circles	2	0.3	8391	100
why do birds go in circles	1.75	0.8	9122	47
why do birds flock	0.02	1	5528	37
flocks of birds flying in patterns	1.92	0.3	9979	67
why do birds fly in a pattern	0.8	0.7	562	10
flocks of birds in flight	0.34	0.5	9403	25
flocks of birds flying	0.44	0.5	1857	91
flock of birds flying in formation	0.27	0.8	3620	7
flying flock of birds	0.86	0.9	593	70
bird flocks in flight	1.21	0.7	9242	21
flock of birds taking flight	0.19	0.7	4910	80