Home
Projects
News
Maps
Sightings
Educators
Donate
Spring 2022 Maps
Spring
Fall
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
View Map
All Other Signs of Spring
View Data
View Map
Bald Eagle
View Data
View Map
Barn Swallow (FIRST sighted)
View Data
View Map
Daylight
View Data
View Map
Earthworm (FIRST sighted)
View Data
View Map
Habitat
View Data
View Map
Hummingbird (OTHER Observations)
View Data
View Map
Hummingbird, Nectaring from Flowers
View Data
View Map
Hummingbird, Other Species Sighted
View Data
View Map
Hummingbird, Ruby-throated (FIRST)
View Data
View Map
Hummingbird, Rufous (FIRST)
View Data
View Map
Ice-Out
View Data
View Map
Leaf-Out (Any Species)
View Data
View Map
Loon (FIRST sighted)
View Data
View Map
Maple Syrup (FIRST Sap Run)
View Data
View Map
Milkweed (FIRST sighted)
View Data
View Map
Milkweed Sighted
View Data
View Map
Monarch (OTHER Observations)
View Data
View Map
Monarch Adult (FIRST sighted)
View Data
View Map
Monarch Adult Sighted
View Data
View Map
Monarch Egg (FIRST sighted)
View Data
View Map
Monarch Egg Sighted
View Data
View Map
Monarch Larva (FIRST sighted)
View Data
View Map
Monarch Larva Sighted
View Data
View Map
Monarch, Captive-Reared
View Data
View Map
Oriole (1st Baltimore)
View Data
View Map
Oriole (1st Bullock's)
View Data
View Map
Practice Report (Any Species)
View Data
View Map
Red-winged Blackbird (FIRST sighted)
View Data
View Map
Robin (First HEARD singing)
View Data
View Map
Robin (First SEEN)
View Data
View Map
Robin (Nesting Behavior)
View Data
View Map
Robin (OTHER Observations)
View Data
View Map
Robin (WAVE seen)
View Data
View Map
Symbolic Monarch Participants
View Data
View Map
Tulips Bloomed
View Data
View Map
Tulips Emerged
View Data