Author: Jason Crotty - Page 8

Birds

eBird and Urban Planning: City Green Spaces

June 9, 2020 by Jason Crotty 2 Comments

Birders who submit their checklists to eBird likely know that their data may be used to conduct research on avian migration, range, or population....

Birding, From the Archives

How Many Birders Are There, Really? (Updated)

May 12, 2020 by Jason Crotty 4 Comments

How many birders are there in America? For such a simple question, it turns out there are very few solid estimates. Indeed, there appears...

Birding, Conservation

Administrative Procedure for Birders: Duck Stamp Rulemaking

April 28, 2020 by Jason Crotty 1 Comment

Although legislation passed by Congress is more visible, most regulations are issued by the vast federal bureaucracy. For those interested in avian conservation, some...

Birding, Conservation

eBird Economics: How Much Would You Pay to See Birds?

April 22, 2020 by Jason Crotty 1 Comment

Birders derive “value” from birding. But does the value of a particular trip come from the number of birds seen, viewing a particular species,...

Conservation

Bird Litigation: Greater Sage-Grouse and Oil and Natural Gas Leases

March 10, 2020 by Jason Crotty 1 Comment

Because its habitat consists largely of land that is valuable for oil and natural gas exploration and extraction, protection of the Greater Sage-Grouse has...

Birding, Birds

The Cutting Edge: Bird Feeder Patents

February 11, 2020 by Jason Crotty 3 Comments

Bird feeding is serious business. The U.S. Fish & Wildlife Service estimates that Americans spend nearly $1 billion annually on bird houses, feeders, nest...