New York

  • Community Collaborative Rain, Hail & Snow Network (CoCoRaHS)

    January 1–December 31

    Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont

  • Mountain Watch with iNaturalist

    January 1–December 31

    Maine, New Hampshire, New York, Vermont

    Appalachian Mountain Club

  • Early Detection & Distribution Mapping System (EDDMaps)

    January 1–December 31

    Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont

    The University of Georgia Center for Invasive Species and Ecosystem Health

  • Treeversity

    January 1–December 31

    Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont

    Arnold Arboretum of Harvard University

  • Gulls of Appledore

    January 1–December 31

    Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont

    Northern Essex Community College

  • Picture Post

    January 1–December 31

    Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont

    University of New Hampshire

  • Rusty Blackbird Spring Migration Blitz

    February 1–April 30

    Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont

    International Rusty Blackbird Working Group

  • Northeast Alpine Flower Watch

    May 1–September 30

    Maine, New Hampshire, New York, Vermont

    Appalachian Mountain Club

  • Mountain Birdwatch

    June 1–June 30

    Maine, New Hampshire, New York, Vermont

    Vermont Center for Ecostudies

  • Mountain Birdwatch

    June 1–June 30

    Maine, New Hampshire, New York, Vermont

    Vermont Center for Ecostudies

  • Christmas Bird Count

    December 1–January 31

    Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, Vermont

    National Audubon Society