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Dates of Earliest Sightings:
1976–2008
Greenbrook staff and members have been recording the
earliest spring dates for a number of events since 1976. The resulting 32 years
of data have been organized, calculating the earliest, average,
and latest dates for each event. The table below lists only a few of these
sightings. Why not visit Greenbrook to see the master table? Maybe you’ll be
lucky enough to add a few “firsts” for 2008.
This page is
generally updated weekly; last updated on
June 17, 2008.
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Earliest |
Average |
Latest |
2007 |
2008 |
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Skunk cabbage in bloom |
2-Feb |
26-Feb |
27-Mar |
15-Mar |
9-Mar |
|
1st mallard ducks on pond |
11-Jan |
28-Feb |
25-Mar |
15-Mar |
|
|
Mourning cloak butterflies seen |
18-Feb |
11-Mar |
31-Mar |
24-Mar |
24-Mar |
|
Woodcock seen |
29-Jan |
12-Mar |
12-Apr |
8-Mar |
|
|
Spotted salamanders breeding |
4-Mar |
15-Mar |
30-Mar |
25-Mar |
6-Mar |
|
Wood ducks on pond |
20-Feb |
16-Mar |
25-Apr |
15-Mar |
2-Mar |
|
Wood frogs breeding |
2-Mar |
17-Mar |
29-Mar |
27-Mar |
24-Mar |
|
Painted turtles sunning |
17-Feb |
19-Mar |
9-Apr |
29-Mar |
24-Mar |
|
Eggs of spotted salamanders |
9-Mar |
21-Mar |
2-Apr |
29-Mar |
24-Mar |
|
Red maple in bloom |
6-Mar |
25-Mar |
9-Apr |
27-Mar |
24-Mar |
|
1st pine warbler migrates |
15-Mar |
30-Mar |
17-Apr |
15-Mar |
14-Mar |
|
Garter snake seen |
24-Feb |
3-Apr |
14-Jun |
31-Mar |
30-Mar |
|
Yellow-rumped warbler seen |
7-Mar |
5-Apr |
26-Apr |
16-Apr |
24-Mar |
|
Spice bush in bloom |
19-Mar |
5-Apr |
15-Apr |
11-Apr |
10-Apr |
|
Palm warbler migrates |
29-Mar |
7-Apr |
22-Apr |
11-Apr |
4-Apr |
|
Trout lily in bloom |
20-Mar |
9-Apr |
24-Apr |
24-Apr |
17-Apr |
|
Spring azure butterflies seen |
25-Mar |
10-Apr |
5-May |
20-Apr |
10-Apr |
|
Dutchman’s breeches in bloom |
1-Apr |
11-Apr |
21-Apr |
21-Apr |
12-Apr |
|
1st osprey seen |
17-Mar |
12-Apr |
2-May |
25-Apr |
4-Apr |
|
Black-and-white warbler returns |
9-Apr |
21-Apr |
29-Apr |
22-Apr |
19-Apr |
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Wild geranium in bloom |
18-Apr |
27-Apr |
10-May |
10-May |
5-May |
|
Catbird returns |
31-Mar |
28-Apr |
10-May |
4-May |
1-May |
|
Flowering dogwood in bloom |
18-Apr |
1-May |
13-May |
7-May |
5-May |
|
Barn swallows seen |
16-Apr |
1-May |
21-May |
26-Apr |
8-May |
|
Eastern kingbird returns |
28-Apr |
5-May |
16-May |
3-May |
7-May |
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Spice bush swallowtail butterfly seen |
21-Apr |
7-May |
26-May |
14-May |
22-May |
|
Blackpoll warbler migrates |
5-May |
12-May |
20-May |
6-May |
8-May |
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Ruby-throated hummingbird returns |
2-May |
13-May |
29-May |
12-May |
4-May |
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Tulip tree in bloom |
28-Apr |
18-May |
28-May |
19-May |
17-May |
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Bullfrogs calling in pond |
2-May |
23-May |
14-Jun |
17-May |
10-Jun |
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Larger blue flag Iris in bloom |
13-May |
26-May |
14-Jun |
--------- |
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Rattlesnake hawkweed in bloom |
21-May |
30-May |
14-Jun |
29-May |
5-Jun |
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Snapping turtle laying eggs |
12-May |
2-Jun |
13-Jun |
12-May |
2-Jun |

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