Mites are tiny critters related to spiders and ticks. Because they are typically no larger than a grain of salt, many mite species rely on larger animals to survive. In the neotropics, hummingbird flower mites freeload off an existing partnership. This group of mites feeds on nectar and pollen, but only from specific types of flowers. These picky eaters need reliable transport between blooms that may be yards apart. Without wheels — or wings — of their own, these mites catch a ride in the nostrils of a passing hummingbird! In fact, scientists have discovered that hummingbird flower mites can detect the electric fields generated by the whirring birds, a sense called electroreception.More info and transcript at BirdNote.org.Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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