SNAPSHOT USA 2019: a coordinated national camera trap survey of the United States

Authors:

Michael Cove

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Roland Kays

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Helen Bontrager

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Claire Bresnan

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Monica Lasky

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Taylor Frerichs

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Renee Klann

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Thomas Lee

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Seth Crockett

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Anthony Crupi

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Katherine Weiss

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Helen McDowell

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Tiffany McDowell

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Jan Schipper

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Chelsey Tellez

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Christopher Lepczyk

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Jean Fantle‐Lepczyk

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Scott LaPoint

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Jacque Williamson

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Caitlin Fisher‐Reid

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Sean King

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Alexandra Bebko

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Petros Chrysafis

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Alex Jensen

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David Jachowski

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Joshua Sands

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Kelly MacCombie

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Daniel Herrera

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Marius Merwe

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Travis Knowles

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Robert Horan

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Michael Rentz

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LaRoy Brandt

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Christopher Nagy

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Brandon Barton

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Weston Thompson

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Sean Maher

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Andrea Darracq

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George Hess

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Arielle Parsons

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Brenna Wells

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Gary Roemer

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Cristian Hernandez

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Matthew Gompper

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Stephen Webb

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John Vanek

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Diana Lafferty

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Amelia Bergquist

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Tru Hubbard

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Tavis Forrester

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Darren Clark

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Connor Cincotta

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Jorie Favreau

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Aaron Facka

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Michelle Halbur

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Steven Hammerich

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Morgan Gray

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Christine Rega‐Brodsky

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Caleb Durbin

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Elizabeth Flaherty

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Jarred Brooke

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Stephanie Coster

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Richard Lathrop

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Katarina Russell

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Daniel Bogan

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Rachel Cliché

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Hila Shamon

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Melissa Hawkins

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Sharyn Marks

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Robert Lonsinger

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Teague O'Mara

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Justin Compton

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Melinda Fowler

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Erika Barthelmess

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Katherine Andy

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Jerrold Belant

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Dean Beyer

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Todd Kautz

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Daniel Scognamillo

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Christopher Schalk

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Matthew Leslie

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Sophie Nasrallah

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Caroline Ellison

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Chip Ruthven

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Sarah Fritts

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Jaquelyn Tleimat

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Mandy Gay

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Christopher Whittier

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Sean Neiswenter

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Robert Pelletier

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Brett DeGregorio

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Erin Kuprewicz

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Miranda Davis

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Adrienne Dykstra

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David Mason

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Carolina Baruzzi

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Marcus Lashley

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Derek Risch

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Melissa Price

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Maximilian I

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Laura Whipple

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Jinelle Sperry

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Robert Hagen

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Alessio Mortelliti

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Bryn Evans

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Colin Studds

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Alexej Sirén

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Jillian Kilborn

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Chris Sutherland

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Paige Warren

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Todd Fuller

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Nyeema Harris

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Neil Carter

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Edward Trout

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Marketa Zimova

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Sean Giery

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Fabiola Iannarilli

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Summer Higdon

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Ronald Revord

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Christopher Hansen

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Joshua Millspaugh

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Adam Zorn

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John Benson

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Nathaniel Wehr

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Jaylin Solberg

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Brian Gerber

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Jessica Burr

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Jennifer Sevin

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Austin Green

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Çağan Şekercioğlu

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Mary Pendergast

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Kelsey Barnick

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Andrew Edelman

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Joanne Wasdin

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Andrea Romero

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Brian O'Neill

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Noel Schmitz

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Jesse Alston

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Kellie Kuhn

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Damon Lesmeister

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Mark Linnell

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Cara Appel

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Christopher Rota

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Jennifer Stenglein

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Christine Anhalt‐Depies

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Carrie Nelson

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Robert Long

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Kodi Jaspers

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Kathryn Remine

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Mark Jordan

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Daniel Davis

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Haydée Hernández‐Yáñez

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Jennifer Zhao

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William McShea

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+149 more

Publication Type:

Journal Article

Year of Publication:

2021

Publisher:

Wiley

Secondary Title:

Ecology

ISSN:

0012-9658, 1939-9170

DOI:

10.1002/ecy.3353

Issue:

Volume:

102

Year:

2021

URL:

https://esajournals.onlinelibrary.wiley.com/doi/10.1002/ecy.3353

Abstract

With the accelerating pace of global change, it is imperative that we obtain rapid inventories of the status and distribution of wildlife for ecological inferences and conservation planning. To address this challenge, we launched the SNAPSHOT USA project, a collaborative survey of terrestrial wildlife populations using camera traps across the United States. For our first annual survey, we compiled data across all 50 states during a 14-week period (17 August–24 November of 2019). We sampled wildlife at 1,509 camera trap sites from 110 camera trap arrays covering 12 different ecoregions across four development zones. This effort resulted in 166,036 unique detections of 83 species of mammals and 17 species of birds. All images were processed through the Smithsonian’s eMammal camera trap data repository and included an expert review phase to ensure taxonomic accuracy of data, resulting in each picture being reviewed at least twice. The results represent a timely and standardized camera trap survey of the United States. All of the 2019 survey data are made available herein. We are currently repeating surveys in fall 2020, opening up the opportunity to other institutions and cooperators to expand coverage of all the urban–wild gradients and ecophysiographic regions of the country. Future data will be available as the database is updated at eMammal.si.edu/snapshot-usa, as will future data paper submissions. These data will be useful for local and macroecological research including the examination of community assembly, effects of environmental and anthropogenic landscape variables, effects of fragmentation and extinction debt dynamics, as well as species-specific population dynamics and conservation action plans.