\u00c7in’in Turfan-Hami Havzas\u0131’nda, paleontologlar dikkate de\u011fer bir ke\u015fifte bulundular: 120 milyon y\u0131l \u00f6ncesine tarihlenen, fosille\u015fmi\u015f u\u00e7an s\u00fcr\u00fcngenlerden olu\u015fan, yani pterosaurlardan olu\u015fan bir koloni. Fosiller aras\u0131nda, yass\u0131 olmayan ilk pterosaur yumurtalar\u0131 olan be\u015f yumurta vard\u0131. Mikroskobik analizler, yumurtalar\u0131n ince bir kalsiyum karbonat kabu\u011funa ve baz\u0131 modern y\u0131lanlar\u0131n yumurtalar\u0131na benzer \u015fekilde yumu\u015fak, ince bir zara sahip oldu\u011funu ortaya \u00e7\u0131kard\u0131.<\/p>\n\n
Daha fazla kaz\u0131, 40 fosille\u015fmi\u015f iskelet ortaya \u00e7\u0131kard\u0131 ve bunlar Hamipterus tianshanensis adl\u0131 yeni bir pterosaur t\u00fcr\u00fc ve cinsini ortaya \u00e7\u0131kard\u0131. Bu pterosaurlar, \u00e7enenin sonunda kancal\u0131 bir kemik, daha geni\u015f g\u00f6z \u00e7ukurlar\u0131, iyi geli\u015fmi\u015f bir al\u0131n \u00e7\u0131k\u0131nt\u0131s\u0131 ve \u00e7\u0131k\u0131nt\u0131l\u0131 bir sivri u\u00e7lu bir bilek kemi\u011fi de dahil olmak \u00fczere onlar\u0131 di\u011fer t\u00fcrlerden ay\u0131ran belirgin \u00f6zelliklere sahipti. Kanat a\u00e7\u0131kl\u0131klar\u0131 4 ila 11 fit aras\u0131nda de\u011fi\u015fiyordu.<\/p>\n\n
\u0130lgin\u00e7 bir \u015fekilde, ara\u015ft\u0131rmac\u0131lar baz\u0131 bireylerin kafatas\u0131 \u00e7\u0131k\u0131nt\u0131lar\u0131n\u0131n farkl\u0131 oldu\u011funu, baz\u0131lar\u0131n\u0131n di\u011ferlerinden daha b\u00fcy\u00fck ve k\u0131r\u0131\u015f\u0131k oldu\u011funu fark ettiler. Bu, erkeklerde daha b\u00fcy\u00fck \u00e7\u0131k\u0131nt\u0131lar, di\u015filerde ise daha k\u00fc\u00e7\u00fck \u00e7\u0131k\u0131nt\u0131lar bulunan cinsel dimorfizmin varl\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcnd\u00fcrmektedir. Bu, fosille\u015fmi\u015f hayvanlarda nadir bulunan bir ke\u015fiftir ve eski pterosaurlar\u0131n sosyal davran\u0131\u015flar\u0131 hakk\u0131nda bilgi sa\u011flar.<\/p>\n\n
Pterosaur yumurtalar\u0131 ve fosillerinin ke\u015ffi, yuva yapma al\u0131\u015fkanl\u0131klar\u0131 ve sosyal ya\u015famlar\u0131 hakk\u0131nda de\u011ferli bilgiler sa\u011flamaktad\u0131r. Yumurtalar, eski bir g\u00f6l\u00fcn k\u0131y\u0131s\u0131na yak\u0131n, nemli kuma g\u00f6m\u00fclm\u00fc\u015ft\u00fc ve bu, modern s\u0131\u00e7an y\u0131lanlar\u0131n\u0131n yuva yapma davran\u0131\u015f\u0131na benziyordu. Benzer iskelet \u00f6zelliklerine sahip \u00e7ok say\u0131da bireyin varl\u0131\u011f\u0131, bu pterosaurlar\u0131n kalabal\u0131k sosyal gruplar halinde ya\u015fad\u0131klar\u0131n\u0131 d\u00fc\u015f\u00fcnd\u00fcrmektedir.<\/p>\n\n
Turfan-Hami’deki fosil i\u00e7eren kaya katmanlar\u0131, \u00e7amur ve kum katmanlar\u0131 ile ayr\u0131lm\u0131\u015ft\u0131r ve bu da b\u00fcy\u00fck f\u0131rt\u0131nalar\u0131n meydana geldi\u011fini g\u00f6stermektedir. Ara\u015ft\u0131rmac\u0131lar, g\u00fc\u00e7l\u00fc bir f\u0131rt\u0131nan\u0131n pterosaurlar\u0131 \u00f6ld\u00fcrd\u00fc\u011f\u00fcne ve v\u00fccutlar\u0131n\u0131 ve yumurtalar\u0131n\u0131 h\u0131zla g\u00f6m\u00fcld\u00fckleri son dinlenme yerlerine ta\u015f\u0131m\u0131\u015f olabilece\u011fine inan\u0131yorlar.<\/p>\n\n
Hamipterus tianshanensis’in ve benzersiz \u00f6zelliklerinin ke\u015ffi, pterosaur evrimi ve \u00e7e\u015fitlili\u011fi hakk\u0131ndaki anlay\u0131\u015f\u0131m\u0131za katk\u0131da bulunmaktad\u0131r. Ayr\u0131ca, uzun vadeli ekolojik de\u011fi\u015fiklikleri incelemenin \u00f6nemini vurgulamaktad\u0131r, \u00e7\u00fcnk\u00fc pop\u00fclasyonlar\u0131n jeolojik zaman \u00f6l\u00e7eklerinde zorluklara nas\u0131l uyum sa\u011flay\u0131p bunlara nas\u0131l tepki verdikleri hakk\u0131nda bilgi sa\u011flar.<\/p>\n\n
Dahas\u0131, bu eski u\u00e7an s\u00fcr\u00fcngenlerde kalabal\u0131k sosyal davran\u0131\u015flar\u0131n ve s\u00fcr\u00fcngen benzeri \u00f6zelliklerin varl\u0131\u011f\u0131, pterosaurlar ile ku\u015flar aras\u0131ndaki ili\u015fki hakk\u0131ndaki anlay\u0131\u015f\u0131m\u0131za meydan okumaktad\u0131r. Bu, pterosaurlar ile ku\u015flar aras\u0131ndaki u\u00e7u\u015fa adaptasyon benzerliklerinin, do\u011frudan bir evrimsel soy yoluyla de\u011fil, ba\u011f\u0131ms\u0131z olarak evrimle\u015fmi\u015f olabilece\u011fini d\u00fc\u015f\u00fcnd\u00fcrmektedir.<\/p>\n\n
Bu ke\u015fif, D\u00fcnya’daki ge\u00e7mi\u015f ya\u015fam\u0131n gizemlerini \u00e7\u00f6zmede paleontolojik ara\u015ft\u0131rmalar\u0131n de\u011ferini vurgulamaktad\u0131r. Fosille\u015fmi\u015f kal\u0131nt\u0131lar\u0131 inceleyerek bilim insanlar\u0131, eski organizmalar\u0131n davran\u0131\u015flar\u0131, biyolojisi ve yok olu\u015fu hakk\u0131nda bilgi edinebilirler. Ayr\u0131ca, t\u00fcm canl\u0131lar\u0131n birbirine ba\u011fl\u0131l\u0131\u011f\u0131n\u0131 ve biyosferi geni\u015f zaman \u00f6l\u00e7eklerinde \u015fekillendiren s\u00fcrekli evrimi ve de\u011fi\u015fimi hat\u0131rlat\u0131r.<\/p>","protected":false},"excerpt":{"rendered":"
Antik U\u00e7an S\u00fcr\u00fcngenler: Hayatlar\u0131na ve Yok Olu\u015flar\u0131na Bir Bak\u0131\u015f Fosille\u015fmi\u015f Yumurta ve \u0130skeletlerin Ke\u015ffi \u00c7in’in Turfan-Hami Havzas\u0131’nda, paleontologlar dikkate de\u011fer bir ke\u015fifte bulundular: 120 milyon y\u0131l \u00f6ncesine tarihlenen, fosille\u015fmi\u015f u\u00e7an…<\/p>\n","protected":false},"author":2,"featured_media":24108,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[2563,2565,136,239,2566,137,2564,400],"class_list":["post-1111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-paleontology","tag-ancient-flying-reptiles","tag-eggs","tag-evolution","tag-fossils","tag-nesting-habits","tag-paleontology","tag-pterosaurs","tag-extinction"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/1111","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=1111"}],"version-history":[{"count":2,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/1111\/revisions"}],"predecessor-version":[{"id":24162,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/1111\/revisions\/24162"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media\/24108"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media?parent=1111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/categories?post=1111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/tags?post=1111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}