Secondary poisoning of mustelids in a New Zealand Nothofagus forest

animal salvaje animal sauvage birds bosques brodifacoum brodifacum chemical control conservation de la nature control de roedores depredadores envenenamiento especies forests intoxication introduced varieties lutte antirongeur lutte chimique marsupial marsupials mice mustela mustelidae nature conservation new zealand nothofagus nueva zelandia oiseau poisoning predators rat rata rats rodent control rodenticidas rodenticide rodenticides rodents roedores rongeur souris species variedades naturalizadas wild animals