Wildlife inspectors work closely
with Service special agents and
counterparts from the U. S. Customs
Service and other Federal agencies
that police international trade.
They staff special enforcement
task forces that conduct inspection
Environmental Defense, a nonprofit organization, was
the key in reaching out to Long and provided funding
for biologists to conduct population surveys for the
toad on his property. Long is helping Environmental
Defense and the Service promote...
Karner Blue – A Butterfly Captivates Wisconsin
“ Instead of hearing, ‘ I don’t have that butterfly on
my property,’ I hear, ‘ How can I get some of that wild
lupine seed?’ ‘ You should see the lupine patch
I have going!’ or...
Aquatic animals; Aquatic environments; Biological control; Habitat conservation; Invasive species; Population control; Work of the Service;
This is a plan to prevent zebra mussels and other aquatic nuisance species from spreading westward. This document includes background on the issue, including the current and potential impacts, ecological, economic and otherwise, the spread of these...
This is a status assessment of the double-crested cormorant in North America as of 2001. It includes general information on the bird, biological information and area-specific population information for throughout North America.
This is a preliminary biological assessment of Kirwin National Wildlife Refuge. Stimulation for the report was based on the concept that future decisions related to the biological portion of the Comprehensive Conservation Plan will be based on the...
Birds; Migratory birds; Monitoring; Perching birds; Research; Statistics; Species of concern; Wildlife management;
This is a status assessment and conservation plan for the Cassin's Sparrow. It includes a description and natural history of the bird, as well as range information pertinent to breeding, migration and wintering, monitoring activities, population...
Birds; Monitoring; Predators; Predator control; Species of concern; Statistics;
These are the results of the 2003 peregrine falcon monitoring plan. The plan was established after the species' de-listing from the endangered species list, and takes place every three years. The report includes a description of methodology as...
This is a guide to help with data analysis of avian monitoring programs. It covers assessment of abundance and species composition using point counts, demographic monitoring via mist-nets and demographic monitoring via nest-monitoring. The guide...