Credits
This activity was produced as a collaboration between HHMI BioInteractive and Vulcan Productions.
Producer
Bridget Conneely, HHMI
Scientific Advisors
Frank Pope, PhD, and Jake Wall, PhD, Save the Elephants; James Deutsch, PhD, Vulcan Productions; Joyce Poole, PhD, Elephant Voices; Peter Wrege, PhD, Cornell University; Fiona Massels, PhD, Wildlife Conservation Society
Additional Writing and Editing
Satoshi Amagai, PhD, and Mark Nielsen, PhD, HHMI
Researchers
Aline Waguespack, PhD
Reviewers
Ryan Reardon, Jefferson County International Baccalaureate School; Takisha Reece, Sandy Spring Friends School; Amy Fassler, Marshfield High School
Graphics
Bridget Conneely, HHMI
Animations
Fabian de Kok-Mercado, HHMI
Videos
Carla Rebai and Emre Izat, Off the Fence Productions
Footage Courtesy of Vulcan Productions
Elephant Voices
Stock Footage
BBC Motion Gallery/Getty Images
AP Archive
Karl Ammann (karlammann.com)
Gorongosa Media Project Archive
Sun Destinations
Tracking data from “Save the Elephants”
Max Planck Institute for Evolutionary Anthropology
Elephant Listening Project
Andrea Turkalo
Photos & Diagrams
Elephants without Borders
Elephant Listening Project
Thompson, M.E., Schwager, S.J., Payne, K.B. and Turkalo, A. (2009). Acoustic estimation of wildlife abundance: methodology for vocal mammals in forested habitats. African Journal of Ecology. 48: 654-661.
Thompson, M.E., Schwager, S.J., and Payne, K.B. (2009). Heard but not seen: an acoustic survey of the African forest elephant. African Journal of Ecology. 48: 224-231.
David Nzouango, WCS Cameroon
Elephant, MHGALLERY as supplied by iStock/Thinkstock
Thirsty Elephant Herd 1, Andrew Miller as supplied by Hemera/Thinkstock
African Elephants (Loxodonta Africana), Digital Vision as supplied by Digital Vision/Thinkstock
Maps
2007 elephant range: IUCN/SSC African Elephant Specialist Group. 2008.
Loxodonta africana. The IUCN Red List of Threatened Species. Version 2015-4.
Aerial survey and current trends: The Great Elephant Census
Dung Transects survey areas reproduced based on: Maisels F., Strindberg, S., Blake, S., Wittemyer, G., Hart, J., et al. (2013). Devastating Decline of Forest Elephants in Central Africa. 2013, PLoS ONE. 8(3): e59469. doi: 10.1371/journal.pone.0059469.
1979 elephant range reproduced based on: Douglas-Hamilton, I. (1979). The African elephant action plan. IUCN/WWF/NYZS Elephant Survey and Conservation Programme. Final report to US Fish and Wildlife Service. IUCN, Nairobi.
Web editor
Chris Vargas, HHMI
Executive Producer
Dennis Liu, PhD, HHMI