NYSYBC Field Trip: Derby Hill on Lake Ontario, Oswego County — April 25, 2009

1
dh-01pooth-HiStress
2
dh-02pooth-yber
3
dh-03pooth-feathers
4
dh-04pooth-TRES
5
dh-05pooth-scoping
6
dh-06pooth-lake
7
dh-07pooth-group
8
dh-08pooth-studying
9
dh-09pooth-studying2
10
dh-10pooth-GerrySmith
ybc@nybirds.org