Funding for this research was provided by:
University of Zurich Forschungskredit
Pennsylvania State University
Sacramento Zoo
Columbus Zoo and Aquarium
Tulsa Zoo
Cincinnati Zoo and Botanical Garden
Tierpark Berlin
Safari West, Inc
Promotor Foundation
Claraz Foundation
Save the Giraffes
Parrotia-Stiftung
Temperatio
Article History
Received: 10 December 2018
Accepted: 8 August 2019
First Online: 27 August 2019
Compliance with ethical standards
:
: All applicable institutional and/or national guidelines for the care and use of animals were followed.