Jesse Greenspan

May 24, 2019 — New research shows that these apex predators wait for food to fall out of the sky during migration.

December 20, 2018 — New research provides support for splitting the Northern Cardinal into multiple species.

August 09, 2018 — Fifty-five years after the infamous prison closed, “The Rock” now hosts thousands of nesting gulls, cormorants, guillemots, and more.

June 22, 2018 — Fishing line snares vast numbers of wildlife each year—a problem birders and outdoor groups are trying to combat.

December 23, 2017 — Short on sleep but not on species, volunteers fanned out across the habitat-rich city.

September 27, 2017 — A solid field guide will give them a head start on IDing common species. Here are some options to help shape their skills.

June 07, 2017 — Cheers to the cardinals, the chickadees, the jays, and yes, even to the grackles I pretend to ignore.

February 10, 2017 — A possible new crossbill species is the latest example of how genetic research is giving us surprising insights into the ways animals evolve.

July 29, 2016 — A New York City naturalist shares his unique approach of matching trees to certain bird species.