USGS
 Patuxent Wildlife
 Research Center
Managers' Monitoring Manual
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Counting techniques for taxonomic groups

Click on a taxonomic group to see a list of techniques available:

Bird groups

Land Birds

Colonial Waterbirds

Night Birds

Secretive Marsh Birds

Waterfowl

Shorebirds

Raptors

Amphibian groups

Frogs and Toads

Large Aquatic Salamanders

Hellbenders

Mudpuppies and Waterdogs

Terrestrial Salamanders

Streamside Salamanders

Pond and Pool Salamanders

River Salamanders

 

Reptile groups

Aquatic Snakes