Tag Archives: population estimates

Some perspective on peak abundance of Passenger Pigeon


You’ve heard the story before, and it’s sobering: Once perhaps the most abundant vertebrate on the planet, a combination of unremitting exploitation and habitat loss reduced the Passenger Pigeon (Ectopistes migratorius) from billions to none in a few short decades … Continue reading

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The Partners in Flight databases on Population and Species Assessment


The Partners in Flight databases were recently updated, and they represent an outstanding resource in understanding distribution and diversity of North American birds. Maintained by the Rocky Mountain Bird Observatory, the databases summarize information on population estimates and the species … Continue reading

Posted in animal behavior, birds/nature, Endangered Species Act, environment, life, Partners in Flight, population estimates, population monitoring | Tagged , , , , , , , , , , , , | Leave a comment