Harvard psychologist Howard Gardner identifies eight different types of intelligence and suggests that they’re independent. They are bodily, linguistic, musical, mathematical or logical, naturalistic (sensitivity to the natural world), spatial (knowing where you are relative to a fixed location), interpersonal (sensing and being in tune with others), and intrapersonal (understanding and controlling one’s own emotions and thoughts)—a list with intriguing parallels in the bird world: Think of a hummingbird’s acrobatic use of its own body or a plain-tailed wren’s astonishing talent for musical
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