Question: Would WWF be angrier if you killed koala instead of black swan?, Answer:Yes, Description of Swan: large water bird, Fact1: The WWF is an international organization that works for the preservation of animals., Fact2: Black swans are designated as least concern species meaning they are not close to being endangered., Fact3: Koalas are designated as  vulnerable to extinction—just a step above endangered.
Step1: What is the black swan's listing on the IUCN red list?, Step2: How is the Koala listed on the IUCN red list?, Step3: What does WWF represent?, Step4: Considering #3, is #2 in more dire straits than #1?, Wikipedia page for step 1: Black swan, Wikipedia page for step 2: Koala, Wikipedia page for step 3: WWF, Wikipedia page for step 4: , not_definitive_answer: False, incorrect_answer: False