[1] 3 [1] 6 [1] 9 [1] 12 [1] 15 [1] 4.84 [1] 7.7 [1] 21.12 [1] 2.64 [1] "robin" [1] "woodpecker" [1] "blue jay" [1] "sparrow" [1] 5.309292 13.854424 38.484510 [1] 3.85 5.28 4.48