The bridge between these two schools of thought is . Modern science has proven that many animals—not just mammals, but birds, cephalopods (like octopuses), and even some insects—possess the capacity to feel pain, joy, and boredom.
– Sufficient space and proper facilities. The bridge between these two schools of thought is
of animals under human care. Following reports of poor conditions in factory farms (the 1965 Brambell Report), the UK developed the Five Freedoms cephalopods (like octopuses)