{"id":30522,"date":"2026-07-28T06:50:00","date_gmt":"2026-07-28T10:50:00","guid":{"rendered":"https:\/\/www.ecoportal.net\/en\/120-bee-species-tested-years-find\/30522\/"},"modified":"2026-07-28T06:50:00","modified_gmt":"2026-07-28T10:50:00","slug":"120-bee-species-tested-years-find","status":"publish","type":"post","link":"https:\/\/www.ecoportal.net\/en\/120-bee-species-tested-years-find\/30522\/","title":{"rendered":"Over 120 bee species were tested across 6 years to find what was guiding them home, and the built-in compass that nearly 90 percent carry turns out to share its secret with migratory birds and sea turtles"},"content":{"rendered":"<p>It visits your garden almost every day.<\/p>\n<p>It finds the same patch of lavender, the same row of clover, then flies home to a hive it cannot see from the air.<\/p>\n<p>For a long time, scientists assumed that <strong>the waggle dance<\/strong> and a pair of sharp eyes were doing all the work.<\/p>\n<p>They were missing something <strong>extraordinary<\/strong> hiding inside the bee&#8217;s own body, and it took six years and more than 120 species to find it.<\/p>\n<h2>The insect that seemed so simple to understand<\/h2>\n<p>Everyone who has watched a bee work a flower bed has the same instinct: it must be following the scent.<\/p>\n<p>That is partly true.<\/p>\n<p>But scent fades with distance, and a honeybee can range two miles or more from the hive.<\/p>\n<p>Scientists have long known that bees use the Sun as a compass and that their waggle dance encodes direction relative to the sky.<\/p>\n<p><strong>The dance<\/strong> is one of the most famous feats in all of animal behavior.<\/p>\n<p>Yet it only works once a bee already knows roughly where to go.<\/p>\n<p>Something else is orienting them at a more fundamental level, especially on overcast days when the Sun disappears <strong>entirely<\/strong>.<\/p>\n<h2>Six years, 120 species, one growing surprise<\/h2>\n<p>Three researchers at the University of Tennessee, Knoxville started comparing notes across their very different fields.<\/p>\n<p>One studied how insects respond to chemical signals from plants.<\/p>\n<p>The other studied the physics of magnetic materials.<\/p>\n<p>A third brought deep expertise in native bee species and their ecology.<\/p>\n<p>The question that linked them was simple: just how widespread is magnetic sensing in bees?<\/p>\n<p>At the time, only <strong>five bee species<\/strong> had ever been confirmed to have any magnetic properties at all.<\/p>\n<p>Over six years the team tested more than 120 bee species from around the world.<\/p>\n<p>The numbers kept climbing in a direction <strong>no one expected<\/strong>.<\/p>\n<h2>The result that stopped the lab in its tracks<\/h2>\n<p>The team had assumed, reasonably, that any magnetic ability would cluster in highly social bees.<\/p>\n<p>Honeybees live in vast colonies where navigation information gets shared constantly.<\/p>\n<p>It seemed like exactly the kind of complex skill that would reward social living.<\/p>\n<p>The new study shows the phenomenon extends far beyond honeybees, including solitary species that do not dance at all.<\/p>\n<p><strong>Orchid bees<\/strong> that live entirely alone registered a high magnetic response.<\/p>\n<p>The researchers also expanded into wasps, the bee&#8217;s closest evolutionary relatives.<\/p>\n<p>In testing nearly 300 wasp species, they found that <strong>90 percent<\/strong> are magnetic.<\/p>\n<p>Something ancient was at work here, far older than the hive.<\/p>\n<h2>The hidden compass inside the bees in your backyard<\/h2>\n<p>A University of Tennessee, Knoxville led team has found that nearly 90 percent of the bee species it tested appear to be magnetic.<\/p>\n<p>The ability is called magnetoreception: the capacity to detect Earth&#8217;s own magnetic field, the same invisible force that steers migratory birds and guides <a href=\"https:\/\/www.ecoportal.net\/en\/insurers-scanned-300-million-american-rooftops\/30515\/\">sea turtles<\/a> across open ocean.<\/p>\n<p>The same magnetic mineral, magnetite, detected in migratory birds and sea turtles appears to be embedded in insects foraging in your own yard.<\/p>\n<p>The data suggests that magnetism may play a crucial role in close range navigation, though scientists still do not know exactly why it has <strong>persisted for tens of millions of years<\/strong>.<\/p>\n<p>The discovery was <a href=\"https:\/\/phys.org\/news\/2026-05-bee-magnetism-widespread-species.html\" target=\"_blank\" rel=\"noopener\">published<\/a> in <em>Science Advances<\/em> after six years of testing; lead researcher Laura Russo <a href=\"https:\/\/theconversation.com\/bees-of-many-species-contain-tiny-magnetic-particles-suggesting-they-may-have-an-innate-magnetic-compass-for-navigation-282229\" rel=\"nofollow noopener\" target=\"_blank\">describes the work<\/a> as detecting magnetism across all six bee families, in both social and solitary species.<\/p>\n<p>Magnetoreception remains one of the most <strong>contested animal senses<\/strong>, with scientists agreeing it is probably not the primary sense even in organisms confirmed to have it.<\/p>\n<h2>Why this changes the way you&#8217;ll look at your garden<\/h2>\n<p>The bee on your lavender is carrying something inside it that engineers have spent decades trying to replicate in machines.<\/p>\n<p>A compass that weighs almost nothing, needs no battery, and has been operating reliably for tens of millions of years.<\/p>\n<p>If scientists can map exactly how bees use magnetic cues, they may be able to design landscapes that work with that sense rather than against it.<\/p>\n<p>Bees navigating by the planet&#8217;s own field also raises an uncomfortable question about electromagnetic interference from power lines and cell towers.<\/p>\n<p>Researchers are already working to find out whether human made magnetic noise disrupts the signal and harms <a href=\"https:\/\/www.ecoportal.net\/en\/beehive-fence-elephants-crop-raids-kenya-deterrent\/29712\/\">bee<\/a> populations.<\/p>\n<p>The next time a bee leaves your garden and vanishes over the fence, know that it is not just following its nose.<\/p>\n<p>It is <strong>reading the Earth<\/strong> itself.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It visits your garden almost every day. It finds the same patch of lavender, the same row of clover, then flies home to a hive it cannot see from the air. For a long time, scientists assumed that the waggle dance and a pair of sharp eyes were doing all the work. They were missing &#8230; <a title=\"Over 120 bee species were tested across 6 years to find what was guiding them home, and the built-in compass that nearly 90 percent carry turns out to share its secret with migratory birds and sea turtles\" class=\"read-more\" href=\"https:\/\/www.ecoportal.net\/en\/120-bee-species-tested-years-find\/30522\/\" aria-label=\"Read more about Over 120 bee species were tested across 6 years to find what was guiding them home, and the built-in compass that nearly 90 percent carry turns out to share its secret with migratory birds and sea turtles\">Read more<\/a><\/p>\n","protected":false},"author":28,"featured_media":30521,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_focus_keyword":"120 bee species","rank_math_title":"Over 120 bee species were tested across 6 years to find what was guiding them home, and the built-in compass that nearly 90 percent carry turns out to share its secret with migratory birds and sea turtles","rank_math_description":"Scientists tested 120 bee species and found nearly 90% carry a hidden magnetic compass. The discovery is reshaping what we know about the backyard bee vis","footnotes":""},"categories":[83],"tags":[],"class_list":["post-30522","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earth"],"_links":{"self":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/posts\/30522","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/comments?post=30522"}],"version-history":[{"count":0,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/posts\/30522\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/media\/30521"}],"wp:attachment":[{"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/media?parent=30522"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/categories?post=30522"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecoportal.net\/en\/wp-json\/wp\/v2\/tags?post=30522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}