Acknowledgements
Thanks to L. Marien for her valuable help.
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No potential conflict of interest was reported by the author(s).
Additional information
Notes on contributors
Fernando Ramírez
Fernando Ramírez is presently an independent researcher. He studied biology as an undergraduate and received his master’s degree in biological sciences at Pontificia Universidad Javeriana, Bogotá, Colombia. He has investigated habitat use and the dietary–morphological relationships among vertebrates.