Environmental sciences, Birds, Biological diversity, Endangered & extinct species, Taxonomy, Environmental Pollution - adverse effects, Marine pollution, Marine conservation, Overfishing, habitat degradation, resource competition, competencia por recursos, Spheniscidae - physiology, contaminación marina, sobrepesca, captura accesoria, bycatch, switch, degrad...
Ecology, Biodiversity, LCSH: Biodiversity, LCSH: Ecology, Dewey: 574.5