Greenstone Hollow Walk – April 17, 2021 – 8am to about 10:30am.
Submitted by Chris Fisher

Number of participants – 21

We walked 1.5 miles covering most of the trails of the preserve. The temperature started at about 43ºF and ended at about 46ºF. The wind was calm. We found 30 species. Our best guess at numbers of each are below.

2 Wood Duck
4 Mallard
6 Mourning Dove
1 Killdeer
1 Great Blue Heron
1 Turkey Vulture
1 Red-tailed Hawk
3 Red-bellied Woodpeckers
2 Downy Woodpeckers
1 Hairy Woodpecker
7 Blue Jay
2 American Crow
1 Fish Crow
8 Black-capped Chickadee
6 Tufted Titmouse
4 Tree Swallow
2 Ruby-crowned Kinglet
1 White-breasted Nuthatch
40+ European Starlings
5 American Robins
1 House Sparrow
6 House Finch
3 American Goldfinch
3 Chipping Sparrow
1 Field Sparrow
7 Song Sparrow
30+ Red-winged Blackbird
9 Brown-headed Cowbird
3 Common Grackle
5 Northern Cardinal