“Scientists have reported that elephants grieve their dead, monkeys perceive injustice and cockatoos like to dance to the music of the Backstreet Boys.” MonkeysElephantsAnimal BehaviorBackstreet BoysAnimal ResearchAnthrozoologyAnimal ConsciousnessAnimal CognitionCockatoosEmotions In Animals Book:Some We Love, Some We Hate, Some We Eat: Why It's So Hard to Think Straight About Animals Source: Some We Love, Some We Hate, Some We Eat: Why It's So Hard to Think Straight About Animals