Pollution, habitat loss, fishing, and climate change as critical threats to penguins
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...