European Skipper (June 23, 2001 at the trail)
The North American Butterfly Association count program has been held annually since 1975. In 2000, 421 counts were held in 44 U.S. states, 5 Canadian provinces, and 3 Mexican states. Volunteers around North America select a count area with a 15-mile diameter and conduct a one-day census of all butterflies observed within that circle. Canadian counts are usually held in the few weeks before or after July 1. The count program is intended to promote interest in butterflies and provide results useful for scientific monitoring of butterflies. For more information, see the Butterfly Count page on the NABA web site.
The Brooklin trail is within a circle surveyed yearly by the Durham Field Naturalists. The 2001 count was done on June 24. (You, too, can volunteer. Contact the local co-ordinator, James Kamstra.)
Bronze Copper (June 24, 2001, at the trail)
After somewhat disappointing results in nearby Heber Down Conservation Area and Cullen Gardens, the counters were pleased to see the quantity and diversity of butterflies at the Brooklin trail. Highlights included a Milbert's Tortoiseshell, a species not on the pre-printed list for the Oshawa count circle. The trail also contained the best representation of skipper butterflies of the Whitby sites.
Due to time constraints, there was no opportunity to check the
section of the trail south of the race track, but 166 examples of 16
different species were identified and counted in the time available.
Of the 16 species, seven had not been recorded previously at the site.
Our complete butterfly species list now
includes the new sightings.
|2001 Butterfly Count Results at Brooklin Trail|
|(Scientific names are linked to an illustrated
for each species at the U.S. Geological Survey web site.)
|Mustard White||Pieris napi||2|
|Bronze Copper||Lycaena hyllus||1|
|Silvery Blue||Glaucopsyche lygdamus||1|
|Northern Crescent||Phyciodes selenis||1|
|Question Mark||Polygonia interrogationis||2|
|Red Admiral||Vanessa atalanta||2|
|White Admiral||Limenitis arthemis arthemis||2|
|Little Wood Satyr||Megisto cymela||20|
|Common Ringlet||Coenonympha tullia||25?|
|Peck's Skipper||Polites peckius||1|
|Tawny-edged Skipper||Polites themistocles||7|
|Long Dash||Polites mystic||2|
|Hobomok Skipper||Poanes hobomok||1|
|Least Skipper||Ancyloxypha numitor||2|
|European Skipper||Thymelicus lineola||120|
|Milbert's Tortoiseshell||Nymphalis milberti||1|