Multimedia Image Library Maptool Tracking Webmail Members News Links Search Help Donate


Satellite Tracking

Why did animal X stop transmitting?

Breeding and foraging ecology, threats, and causes of decline of Reddish Egrets in Florida

A project of Avian Research and Conservation Inst in conjunction with the partners and sponsors detailed below.

Subscribe to receive daily project updates

NameSpeciesLife StageRelease DateLast LocationDays Transmitted
Boca11Dark Reddish EgretAdult2009-11-102012-06-13946
Boca16White Reddish EgretAdult2010-07-132012-01-19555
Boca70White Reddish EgretAdult2009-10-152014-04-151643
BocaDark Reddish EgretSub-Adult2009-11-182015-01-021871
Bunche Reddish EgretAdult2016-01-072018-03-20803
Darling Reddish EgretAdult2016-01-292018-03-20781
Ding #1 Reddish EgretAdult2014-06-202018-03-171366
San Carlos Reddish EgretAdult2016-01-252017-10-22636

Click on an animal's name for maps and more information.


The Reddish Egret (Egretta rufescens), the rarest wading bird in the U.S., is a highly specialized feeder ecologically restricted to a very narrow coastal habitat that is vulnerable to human disturbance, storm effects, and climate change. The Florida population is estimated at 350-400 pairs, with 100-125 in Florida Bay and Keys. The latter sub-population appears to be steadily declining. In 2009, we began research based on satellite telemetry in the Florida Keys and are now expanding this study to include the Gulf and Atlantic coasts of Florida. Our results will address important management topics, including habitat and area needs, seasonal movements, site fidelity, breeding effort, survivorship, and sources of mortality. Telemetry data combined with direct observations suggest strong site fidelity with limited seasonal movements; highly competitive and aggressive foraging interactions; lower-than expected adult; and narrow habitat selection, which may further constrain this small resident population.

Project Partners

ARCI has collaborated with Tom Wilmers (U.S. Fish and Wildlife Service) and Stefani Melvin (formerly U.S. Fish and Wildlife Service). Our conservation partners include members of the Reddish Egret Working Group, with whom we are drafting a range-wide conservation strategy and management plan in cooperation with the U.S. Fish and Wildlife Service.


Project Sponsors

U.S. Fish and Wildlife Service

Florida Keys National Wildlife Refuges

Friends and Volunteers of Refuges (FAVOR)

Florida Keys Audubon Society

Felburn Foundation

Ding Darling Wildlife Society

Sanibel-Captiva Audubon Society

International Osprey Foundation


  • The presentation of data here does not constitute publication. All data remain copyright of the project partners. Maps or data on this website may not be used or referenced without explicit written consent.
  • For more information please visit the project website.
  • If you have questions or would like to request the use of maps or data for this project please contact

SEATURTLE.ORG collaborates with Argos to help scientists and conservationists manage and analyse their valuable animal tracking data.

Be an Eco Maniac!

Adoption Program
Give a gift that counts!
Cc Burnett Mary (BMRG)
About FAQ Privacy Policy Terms of Service is registered as a 501(c)3 tax-exempt organization with the US Internal Revenue Service.
Copyright © 1999-2009 Inc. All rights reserved.

If you have questions or comments about please contact

If you have questions or comments about the website please contact the webmaster.