Tennessee Warblers love drinking nectar, but they do it without helping to pollinate flowers. By tapping a hole into the base of a flower, these warblers enjoy an easy meal while bypassing the flower’s pollen. But they give back to their ecosystems in other ways – such as eating countless insects!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.