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Though these criteria are difficult to measure in nonhuman animals, cephalopods are the most intelligent invertebrates. The study of cephalopod intelligence also has an important comparative aspect in the broader understanding of animal cognition because it relies on a nervous system fundamentally different from that of vertebrates. [3]
Animal ability to process and respond to stimuli is correlated with brain size. Small-brain animals tend to show simple behaviors that are less dependent on learning than those of large-brained animals. Vertebrates, particularly mammals, have larger brains and complex behavior that changes with experience.
Most contemporary ethologists view the elephant as one of the world's most intelligent animals. Elephants manifest a wide variety of behaviors, including those associated with grief , learning , mimicry , playing , altruism , tool use , compassion , cooperation , self-awareness , memory , and communication .
Pigs are among the most intelligent mammals on the planet; as such, they display a wide range of complex behaviors, like being able to play video games, understanding human instructions and even a pig species has been observed using tools.
The corvids (ravens, crows, jays, magpies, etc.) and psittacines (parrots, macaws, and cockatoos) are often considered the most intelligent birds, and are among the most intelligent animals in general. Pigeons, finches, domestic fowl, and birds of prey have also been common subjects of intelligence studies.
Image credits: an1malpulse #5. Animal campaigners are calling for a ban on the public sale of fireworks after a baby red panda was thought to have died from stress related to the noise.
Cephalopods are widely regarded as the most intelligent of the invertebrates and have well-developed senses and large brains (larger than those of gastropods). [13] The nervous system of cephalopods is the most complex of the invertebrates [14] [15] and their brain-to-body-mass ratio falls between that of endothermic and ectothermic vertebrates.
No matter if you’re looking to determine if your dog really is smart or if you’re looking for a furry friend who will be easy to train, The American Kennel Club can help. Their list of the ...