Literatura
Organizaciones/sociedades científicas
National Marine Fisheries Service HMS
European Elasmobranch Association
Oceania Chondrichthyan Society
FAO Species Identification and Data Programme (SIDP)
Fundación Colombiana para la Investigación y Conservación de Tiburones y Rayas
http://www.oceaniasharks.org.au/
AOS- American Ornithological Societies
IDEA Wild - Empowering the Heroes and Sheroes of the Planet
IWSG - International Wader Study Group
Western Hemisphere Shorebird Reserve Network
Association of Field Ornithologists
Aves Argentinas / AOP
BirdLife International
Wetlands International
Base de datos
Ornithology Exchange
e-Bird
EcoRegistros
iNaturalist
Audiovisuales