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26 October 2026

A hummingbird can return to a flower it visited earlier, but its memory is doing more than keeping a simple map. These tiny birds need to remember where they found nectar, which flowers they have already emptied, and when a particular source is likely to be rewarding again.

For a creature that spends energy hovering and flying, wasted journeys matter. Remembering the location of food—and, in some circumstances, the timing of its return—helps a hummingbird make better use of its day.

Its brain is small, but size alone tells us little about what a brain can accomplish. Different animals solve different problems, shaped by the demands of their lives. A hummingbird does not need to remember a long conversation or recognise a distant landscape as a human might. It needs to find the next meal efficiently.

Watch one dart between blossoms and the movement can look almost effortless. Behind that quick flight is an exchange between memory, movement and the changing world around it.

Sometimes, intelligence is simply the ability to remember what matters.

Rajat Chandra Sarmah, Guwahati, Assam, India, Instagram @rajatchandrasarmah, YouTube: conversewithasmile, email rajatchandrasarmah@gmail.com