{"id":87241,"date":"2020-07-10T05:47:22","date_gmt":"2020-07-10T11:47:22","guid":{"rendered":"https:\/\/www.featheredphotography.com\/blog\/?p=87241"},"modified":"2020-07-10T11:10:14","modified_gmt":"2020-07-10T17:10:14","slug":"a-yellow-warbler-leads-me-to-a-probable-example-of-insect-mutualism","status":"publish","type":"post","link":"https:\/\/featheredphotography.com\/blog\/2020\/07\/10\/a-yellow-warbler-leads-me-to-a-probable-example-of-insect-mutualism\/","title":{"rendered":"A Yellow Warbler Leads Me To A Probable Example Of Insect Mutualism"},"content":{"rendered":"<p>I love it when lessons I taught in my biology and zoology classes play out in my photography.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"87242\" data-permalink=\"https:\/\/featheredphotography.com\/blog\/2020\/07\/10\/a-yellow-warbler-leads-me-to-a-probable-example-of-insect-mutualism\/yellow-warbler-9647-ron-dudley\/\" data-orig-file=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9647-ron-dudley.jpg\" data-orig-size=\"720,900\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;6.3&quot;,&quot;credit&quot;:&quot;RON DUDLEY&quot;,&quot;camera&quot;:&quot;Canon EOS 7D Mark II&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1594283159&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;700&quot;,&quot;iso&quot;:&quot;800&quot;,&quot;shutter_speed&quot;:&quot;0.0003125&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"yellow warbler 9647 ron dudley\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9647-ron-dudley.jpg\" class=\"aligncenter wp-image-87242 size-full\" title=\"yellow-warbler-9647-ron-dudley\" src=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9647-ron-dudley.jpg\" alt=\"\" width=\"720\" height=\"900\" srcset=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9647-ron-dudley.jpg 720w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9647-ron-dudley-240x300.jpg 240w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9647-ron-dudley-120x150.jpg 120w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/p>\n<p>Yesterday morning this Yellow Warbler was foraging for insects in the mountains. There was a single tiny aphid on the end of his bill but he had a hankering for more.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"87245\" data-permalink=\"https:\/\/featheredphotography.com\/blog\/2020\/07\/10\/a-yellow-warbler-leads-me-to-a-probable-example-of-insect-mutualism\/yellow-warbler-9651-ron-dudley\/\" data-orig-file=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-ron-dudley.jpg\" data-orig-size=\"900,695\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;6.3&quot;,&quot;credit&quot;:&quot;RON DUDLEY&quot;,&quot;camera&quot;:&quot;Canon EOS 7D Mark II&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1594283160&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;700&quot;,&quot;iso&quot;:&quot;800&quot;,&quot;shutter_speed&quot;:&quot;0.0003125&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"yellow warbler 9651 ron dudley\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-ron-dudley.jpg\" class=\"aligncenter wp-image-87245 size-full\" title=\"yellow-warbler-9651-ron-dudley\" src=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-ron-dudley.jpg\" alt=\"\" width=\"900\" height=\"695\" srcset=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-ron-dudley.jpg 900w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-ron-dudley-300x232.jpg 300w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-ron-dudley-768x593.jpg 768w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-ron-dudley-150x116.jpg 150w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<p>So he walked a couple of steps higher on the stem and began to harvest a clump of aphids at the base of this leaf.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"87243\" data-permalink=\"https:\/\/featheredphotography.com\/blog\/2020\/07\/10\/a-yellow-warbler-leads-me-to-a-probable-example-of-insect-mutualism\/yellow-warbler-9651-crop-a-ron-dudley\/\" data-orig-file=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-a-ron-dudley.jpg\" data-orig-size=\"900,643\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;6.3&quot;,&quot;credit&quot;:&quot;RON DUDLEY&quot;,&quot;camera&quot;:&quot;Canon EOS 7D Mark II&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1594283160&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;700&quot;,&quot;iso&quot;:&quot;800&quot;,&quot;shutter_speed&quot;:&quot;0.0003125&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"yellow warbler 9651 crop a ron dudley\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-a-ron-dudley.jpg\" class=\"aligncenter wp-image-87243 size-full\" title=\"yellow-warbler-9651-crop-a-ron-dudley\" src=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-a-ron-dudley.jpg\" alt=\"\" width=\"900\" height=\"643\" srcset=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-a-ron-dudley.jpg 900w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-a-ron-dudley-300x214.jpg 300w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-a-ron-dudley-768x549.jpg 768w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-a-ron-dudley-150x107.jpg 150w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<p>An even tighter crop gives us a better look at the aphids even though they aren&#8217;t as sharp as they could be because my active focus point was on the bird&#8217;s back. When I took the photo I didn&#8217;t even know the aphids were there.<\/p>\n<p>It was only by chance that I discovered that there&#8217;s probably more going on here than was initially apparent in this version of the photo. I wanted to see how sharp the aphids really were (not very) so I zoomed in about as close as I could.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-b-ron-dudley.jpg\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"87244\" data-permalink=\"https:\/\/featheredphotography.com\/blog\/2020\/07\/10\/a-yellow-warbler-leads-me-to-a-probable-example-of-insect-mutualism\/yellow-warbler-9651-crop-b-ron-dudley\/\" data-orig-file=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-b-ron-dudley.jpg\" data-orig-size=\"900,643\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;6.3&quot;,&quot;credit&quot;:&quot;RON DUDLEY&quot;,&quot;camera&quot;:&quot;Canon EOS 7D Mark II&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1594283160&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;700&quot;,&quot;iso&quot;:&quot;800&quot;,&quot;shutter_speed&quot;:&quot;0.0003125&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"yellow warbler 9651 crop b ron dudley\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-b-ron-dudley.jpg\" class=\"aligncenter wp-image-87244 size-full\" title=\"yellow-warbler-9651-crop-b-ron-dudley\" src=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-b-ron-dudley.jpg\" alt=\"\" width=\"900\" height=\"643\" srcset=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-b-ron-dudley.jpg 900w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-b-ron-dudley-300x214.jpg 300w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-b-ron-dudley-768x549.jpg 768w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9651-crop-b-ron-dudley-150x107.jpg 150w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/a><\/p>\n<p>In this different crop of the same photo clusters of ants right next to the aphids became apparent. They were in deep shade on the undersides of the leaves so most of them were hard to see until I increased the exposure of the shadows during processing.<\/p>\n<p>&nbsp;<\/p>\n<p>I believe the aphids were probably being &#8216;farmed&#8217; by the ants as they cared for and protected them and consumed the honeydew they produce. Ants that do this are sometimes called &#8220;dairying ants&#8221; because they literally milk the aphids of their honeydew. I believe that it&#8217;s probably more than just a coincidence that the ant clusters were so close to the aphids.<\/p>\n<p>This from Wikipedia if you could use a refresher course on ant\/aphid mutualism.<\/p>\n<p style=\"padding-left: 40px;\"><em>Some species of\u00a0ants\u00a0farm aphids, protecting them on the plants where they are feeding, and consuming the honeydew the aphids release from the\u00a0terminations\u00a0of their\u00a0alimentary canals. This is a\u00a0mutualistic relationship, with these dairying ants milking the aphids by stroking them with their\u00a0antennae. Although mutualistic, the feeding behavior of aphids is altered by ant attendance. Aphids attended by ants tend to increase the production of honeydew in smaller drops with a greater concentration of amino acids.<\/em><\/p>\n<p style=\"padding-left: 40px;\"><em>Some farming ant species gather and store the aphid eggs in their nests over the winter. In the spring, the ants carry the newly hatched aphids back to the plants. Some species of dairying ants manage large herds of aphids that feed on roots of plants in the ant colony. Queens leaving to start a new colony take an aphid egg to found a new herd of underground aphids in the new colony. These farming ants protect the aphids by fighting off aphid predators.<\/em><\/p>\n<p>I don&#8217;t know for fact that these ants were farming the aphids but I strongly suspect they were.<\/p>\n<p>Ron<\/p>\n<p>&nbsp;<\/p>\n<p>Oh, and by the way&#8230;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"87248\" data-permalink=\"https:\/\/featheredphotography.com\/blog\/2020\/07\/10\/a-yellow-warbler-leads-me-to-a-probable-example-of-insect-mutualism\/yellow-warbler-9236-ron-dudley\/\" data-orig-file=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9236-ron-dudley.jpg\" data-orig-size=\"900,640\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;5.6&quot;,&quot;credit&quot;:&quot;RON DUDLEY&quot;,&quot;camera&quot;:&quot;Canon EOS 7D Mark II&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1594280140&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;700&quot;,&quot;iso&quot;:&quot;800&quot;,&quot;shutter_speed&quot;:&quot;0.00025&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"yellow warbler 9236 ron dudley\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9236-ron-dudley.jpg\" class=\"aligncenter wp-image-87248 size-full\" title=\"yellow-warbler-9236-ron-dudley\" src=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9236-ron-dudley.jpg\" alt=\"\" width=\"900\" height=\"640\" srcset=\"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9236-ron-dudley.jpg 900w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9236-ron-dudley-300x213.jpg 300w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9236-ron-dudley-768x546.jpg 768w, https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9236-ron-dudley-150x107.jpg 150w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<p>recently fledged Yellow Warbler chicks are common in the mountains right now. This one, still half-covered with down, could already fly like a champ.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I love it when lessons I taught in my biology and zoology classes play out in my photography.<\/p>\n<p> <a class=\"continue-reading-link\" href=\"https:\/\/featheredphotography.com\/blog\/2020\/07\/10\/a-yellow-warbler-leads-me-to-a-probable-example-of-insect-mutualism\/\"><span>Continue reading<\/span><i class=\"crycon-right-dir\"><\/i><\/a> <\/p>\n","protected":false},"author":2,"featured_media":87248,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[334,8,392,395,3486],"tags":[5231,481,5232,145,211,5233,2589,2588],"class_list":["post-87241","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-birds","category-ecology-and-environment","category-feeding-bird-behaviors","category-miscellaneous","category-yellow-warbler","tag-ants-farming-aphids","tag-chick","tag-dairying-ants","tag-fledgling","tag-male","tag-mutualism","tag-setophaga-petechia","tag-yellow-warbler"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/featheredphotography.com\/blog\/wp-content\/uploads\/2020\/07\/yellow-warbler-9236-ron-dudley.jpg","jetpack_shortlink":"https:\/\/wp.me\/p1zzJh-mH7","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/posts\/87241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/comments?post=87241"}],"version-history":[{"count":0,"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/posts\/87241\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/media\/87248"}],"wp:attachment":[{"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/media?parent=87241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/categories?post=87241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/featheredphotography.com\/blog\/wp-json\/wp\/v2\/tags?post=87241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}