Technicolor Vision

It’s a truly brilliant world… for hummingbirds! This is Sandra Tsing Loh with the Loh Down on Science. Pretty blues! Vibrant reds! We humans see colors because of special cells in our eyes called cones. Hummingbirds have an extra cone that detects UV light — light from the sun WE can’t see.

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Hummingbird Hustle

Want to drive the chicks wild? Shake a tail feather! This is Sandra Tsing Loh with the Loh Down on Science. Nature is filled with mating dances. Peacocks shake their tails, spiders shimmy, and flamingos Flamenco. They all boogie to their own beat, but is the timing of their two-step

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Hungry Hummingbirds

Hummingbirds: Cute little nectar sippers, or battle-hardened killers? This is Sandra Tsing Loh with the Loh Down on Science. Hummingbirds are darling! But it’s a bird-eat-bird world –sometimes they have to fight to survive! At University of California, Berkeley, Alejandro Rico-Guevara studies the evolution of hummingbirds. He wondered: What can

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Hawk Eyes

Ever wish someone would watch your kids like a hawk? Literally? This is Sandra Tsing Loh with the Loh Down on Science. Imagine you’re a hummingbird. You’re small. Your eggs are small. Potentially, squirrel lunch. What can you do? Get protection. Hire a hawk! That’s where Harold Greeney comes in.

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