Aslanlar, orkalar, s\u0131rtlanlar ve baz\u0131 \u015fahinler, i\u015fbirlik\u00e7i av teknikleriyle bilinir. Son zamanlarda ara\u015ft\u0131rmac\u0131lar bu listeye bir bal\u0131k ekledi: sar\u0131 seleli ke\u00e7iboynuzu bal\u0131\u011f\u0131.<\/p>\n\n
K\u0131z\u0131l Denizi\u2019nde sar\u0131 seleli ke\u00e7iboynuzu bal\u0131klar\u0131 s\u0131k s\u0131k bir araya gelir. Bir bal\u0131k av bal\u0131\u011f\u0131n\u0131 kovalamaya ba\u015flad\u0131\u011f\u0131nda, yan\u0131ndakiler \u201cengelleyiciler\u201d olarak avlanmaya kat\u0131l\u0131r. Bu engelleyiciler, resifi kaplayarak av\u0131n ka\u00e7\u0131\u015f yollar\u0131n\u0131 kapat\u0131r ve ke\u00e7iboynuzu bal\u0131\u011f\u0131 s\u00fcr\u00fcs\u00fcn\u00fcn ba\u015far\u0131l\u0131 bir yakalama \u015fans\u0131n\u0131 art\u0131r\u0131r.<\/p>\n\n
Bu davran\u0131\u015f, \u0130svi\u00e7re\u2019nin Neuch\u00e2tel \u00dcniversitesi\u2019nden ara\u015ft\u0131rmac\u0131lar taraf\u0131ndan g\u00f6zlemlendi. \u0130\u015fbirlik\u00e7i av stratejisinin, bu t\u00fcr\u00fcn daha h\u0131zl\u0131 ve \u00e7evik avlar\u0131 yakalayabilmesi i\u00e7in evrimle\u015fmi\u015f olabilece\u011fini \u00f6ne s\u00fcr\u00fcyorlar.<\/p>\n\n
A\u011fa\u00e7 kestanecileri, ba\u015flar\u0131n\u0131 saatte 15 mil (\u224824 km) h\u0131zla a\u011fa\u00e7lara \u00e7arparken kendilerine zarar vermezler. Bunu nas\u0131l yap\u0131yorlar?<\/p>\n\n
Pekin\u2019deki Beihang \u00dcniversitesi\u2019nden ara\u015ft\u0131rmac\u0131lar, y\u00fcksek h\u0131zl\u0131 video, mikroskobik tarama ve 3\u2011B modeller kullanarak inceleme yapt\u0131. Kestanecinin kafatas\u0131ndaki s\u00fcngerimsi b\u00f6lgeler ile \u00fcst ve alt gagas\u0131ndaki farkl\u0131 boyutlardaki dokular\u0131n \u015foku emmede kritik rol oynad\u0131\u011f\u0131n\u0131 buldular.<\/p>\n\n
Bu ara\u015ft\u0131rma, kask ve di\u011fer koruyucu ekipman tasar\u0131mlar\u0131 i\u00e7in yeni fikirler sunabilir.<\/p>\n\n
Son buz \u00e7a\u011f\u0131n\u0131n sonuna yakla\u015f\u0131rken, Washington Eyaleti\u2019nde bir avc\u0131 grubu bir mastodon \u00f6ld\u00fcrd\u00fc. Projeksiyon ucu h\u00e2l\u00e2 g\u00f6m\u00fcl\u00fc bir mastodon kaburgas\u0131n\u0131n yeni incelenmesi, hayvan\u0131n 13.800 y\u0131l \u00f6nce ya\u015fad\u0131\u011f\u0131n\u0131 g\u00f6steriyor.<\/p>\n\n
Bu, Yeni D\u00fcnya\u2019da avc\u0131l\u0131\u011f\u0131n en eski kan\u0131tlar\u0131ndan biri olup, insanlar\u0131n bir zamanlar ilk Amerikal\u0131lar olarak kabul edilen Clovis halk\u0131ndan \u00e7ok daha \u00f6nce Kuzey Amerika\u2019ya geldi\u011fi teorisini destekliyor.<\/p>\n\n
Yavru a\u011f a\u011f\u0131 \u00f6r\u00fcmceklerinde, erkekler potansiyel e\u015flere ipekle sar\u0131lm\u0131\u015f b\u00f6cekler sunar. Ancak baz\u0131 erkekler yenilemez tohumlar\u0131 sarar.<\/p>\n\n
Bir di\u015fi \u00f6r\u00fcmcek bu aldatmacay\u0131 fark etti\u011finde, \u00e7iftle\u015fmeyi erken sonland\u0131r\u0131r. Bu davran\u0131\u015f, Danimarka\u2019daki Aarhus \u00dcniversitesi\u2019nden Maria Albo taraf\u0131ndan incelendi.<\/p>\n\n
Orka olarak da bilinen katil balinalar, Antarktika\u2019da m\u00fch\u00fcr ve penguenlerle beslenir. Ancak yak\u0131n bir \u00e7al\u0131\u015fma, baz\u0131 katil balinalar\u0131n Uruguay ve Brezilya\u2019n\u0131n subtropikal sular\u0131na ara s\u0131ra seyahat etti\u011fini belgeledi.<\/p>\n\n
Bu seyahatler, beslenme ya da do\u011fum i\u00e7in \u00e7ok k\u0131sa s\u00fcrd\u00fc\u011f\u00fcnden, ara\u015ft\u0131rmac\u0131lar bunun deri d\u00f6k\u00fclmesiyle ilgili olabilece\u011fini d\u00fc\u015f\u00fcn\u00fcyor. Katil balinalar, daha az \u0131s\u0131 kayb\u0131yla deri dokusunu yenilemek i\u00e7in s\u0131cak iklimlerde deri d\u00f6ker.<\/p>","protected":false},"excerpt":{"rendered":"
Vah\u015fi \u015eeyler: Katil Balinalar, \u00d6r\u00fcmcekler ve A\u011fa\u00e7 Kestanecileri S\u00fcr\u00fc Avc\u0131lar\u0131 Aslanlar, orkalar, s\u0131rtlanlar ve baz\u0131 \u015fahinler, i\u015fbirlik\u00e7i av teknikleriyle bilinir. Son zamanlarda ara\u015ft\u0131rmac\u0131lar bu listeye bir bal\u0131k ekledi: sar\u0131 seleli…<\/p>\n","protected":false},"author":2,"featured_media":25429,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[244],"tags":[97,740,252,219,309,254],"class_list":["post-1220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-natural-history","tag-science","tag-biology","tag-nature","tag-ecology","tag-animal-behavior","tag-wildlife"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/1220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/comments?post=1220"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/1220\/revisions"}],"predecessor-version":[{"id":25430,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/1220\/revisions\/25430"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media\/25429"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media?parent=1220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/categories?post=1220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/tags?post=1220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}