migratory birds richard a....
TRANSCRIPT
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SET-UP SLIDE
Bridges and Birds:Use & Implementation of the Migratory Bird
Special Provision
Richard A. Wolinski
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Bridges and Birds:
Use and Implementation of the Migratory
Bird Special Provision
Richard A. Wolinski, Wildlife Ecologist
Michigan Department of Transportation
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Why Required
Migratory Bird Treaty Act
Bald and Golden Eagle Protection Act
Protects birds, their nests, and their young
Barn Swallow
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Regulatory Agency Coordination
US Fish and Wildlife Service
Eastern Phoebe
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Specific Questions We Ask
Are there bridges or culverts over water that will require work?
Are there existing nests under the structure?
Cliff Swallow Nests
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What About Other Bridges?
Some bridges that span upland have nesting
birds
The same requirements apply
American Robin
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Mitigation
Special Provision for Migratory Bird
Protection
No special actions by the contractor are necessary if bridge work is done entirely on the deck
CAUTION!
If this work requires the installation of protective measures under the deck for other purposes then
the special provision will apply
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Collection of Falling Debris
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Mitigation
Special Provision for Migratory Bird
Protection
For all other bridge work completed between September 1st and May 15th (winter), birds are not actively nesting so no special actions by the
contractor are necessary
CAUTION!
These dates are likely to change next year
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No nests built Erect barriers before the nesting season to discourage nesting
Birds penetrate barrier or nest building has already begun If no eggs or chicks in the nest then contractor may knock down the nest or
hose down with water
If eggs or chicks exist construction will be halted until chicks fledge
Accidentally dislodge a nest containing chicks or eggs Contractor shall deliver eggs/chicks to a licensed wildlife rehabilitation
facility
All of the extra cost to the project is the contractor’s responsibility
Basics of the Migratory Bird
Special Provision
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Project Example Over Water
US-127 Bridge over St. Joseph Creek,Hillsdale County
Tarp used to
prevent swallow
nesting
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Project Example Over UplandI-75 Bridge over Rail Spur
Monroe County
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Up-coming Changes
Change in dates for
active period of nesting
Earlier in the spring-
about 2-3 weeks
Later in the summer- 1-2
weeks?
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Questions