{"id":14130,"date":"2020-04-04T23:46:55","date_gmt":"2020-04-04T23:46:55","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=14130"},"modified":"2020-04-04T23:46:55","modified_gmt":"2020-04-04T23:46:55","slug":"birds-that-sing-with-their-feathers","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/ro\/science\/zoology\/birds-that-sing-with-their-feathers\/","title":{"rendered":"P\u0103s\u0103rile care c\u00e2nt\u0103 cu penele lor"},"content":{"rendered":"<h2 class=\"wp-block-heading\">P\u0103s\u0103rile care c\u00e2nt\u0103 cu penele lor<\/h2>\n\n<p>P\u0103s\u0103rile sunt cunoscute pentru c\u00e2ntecele lor frumoase, dar \u015ftia\u0163i c\u0103 unele p\u0103s\u0103ri pot c\u00e2nta de fapt folosind doar penele lor? A\u015fa este, anumite specii de p\u0103s\u0103ri au evoluat capacitatea de a crea sunete distinctive vibr\u00e2ndu-\u015fi penele \u00een modul potrivit.<\/p>\n\n<h2 class=\"wp-block-heading\">Fizica sunetului penelor<\/h2>\n\n<p>Fizica exact\u0103 a modului \u00een care func\u0163ioneaz\u0103 sunetul penelor este \u00eenc\u0103 un mister, dar oamenii de \u015ftiin\u0163\u0103 \u015ftiu c\u0103 atunci c\u00e2nd aerul love\u015fte anumite pene cu viteza \u015fi unghiul potrivite, acestea \u00eencep s\u0103 vibreze rapid. Aceast\u0103 oscila\u0163ie rapid\u0103 produce sunet.<\/p>\n\n<h2 class=\"wp-block-heading\">P\u0103s\u0103ri care c\u00e2nt\u0103 cu aripile<\/h2>\n\n<p>Un grup de p\u0103s\u0103ri care pot c\u00e2nta cu penele lor se nume\u015fte p\u0103s\u0103ri care c\u00e2nt\u0103 cu aripile. Aceste p\u0103s\u0103ri, cum ar fi l\u0103\u021buncile \u015fi beca\u0163inele, produc sunet flutur\u00e2ndu-\u015fi aripile \u00eentr-un mod specific. Penele de pe aripile lor vibreaz\u0103, cre\u00e2nd un sunet distinctiv de \u201ebrreeeet\u201d.<\/p>\n\n<h2 class=\"wp-block-heading\">P\u0103s\u0103ri care \u00ee\u015fi scutur\u0103 penele cozii<\/h2>\n\n<p>Un alt grup de p\u0103s\u0103ri care pot c\u00e2nta cu penele lor se nume\u015fte p\u0103s\u0103ri care \u00ee\u015fi scutur\u0103 penele cozii. Aceste p\u0103s\u0103ri, cum ar fi colibri \u015fi caprimulgii, produc sunet scutur\u00e2ndu-\u015fi penele cozii. Penele de pe cozile lor vibreaz\u0103, cre\u00e2nd o varietate de sunete, de la ciripituri simple la note fluturate.<\/p>\n\n<h2 class=\"wp-block-heading\">Par\u0103zi nup\u0163iale<\/h2>\n\n<p>Sunetele penelor sunt folosite \u00een principal de p\u0103s\u0103ri pentru parade nup\u0163iale. P\u0103s\u0103rile mascule folosesc aceste sunete pentru a atrage femelele \u015fi a-\u015fi ap\u0103ra teritoriile. Sunetele pot fi puternice \u015fi elaborate \u015fi joac\u0103 adesea un rol crucial \u00een procesul de \u00eemperechere.<\/p>\n\n<h2 class=\"wp-block-heading\">Alte utiliz\u0103ri ale sunetelor penelor<\/h2>\n\n<p>Pe l\u00e2ng\u0103 parade nup\u0163iale, unele p\u0103s\u0103ri folosesc sunetele penelor \u015fi \u00een alte scopuri. De exemplu, porumbelul cu creast\u0103 din Australia are pene de zbor modificate care creeaz\u0103 un fluierat distinctiv de plesc\u0103it atunci c\u00e2nd este alarmat. Acest sunet serve\u015fte drept avertisment pentru al\u0163i porumbei, semnal\u00e2ndu-le s\u0103 fug\u0103 din zon\u0103.<\/p>\n\n<h2 class=\"wp-block-heading\">Diversitatea sunetelor penelor<\/h2>\n\n<p>P\u0103s\u0103rile au evoluat o mare varietate de sunete ale penelor, fiecare cu propriile sale caracteristici unice. Aceste sunete pot varia \u00een func\u0163ie de \u00een\u0103l\u0163ime, volum \u015fi durat\u0103. Unele sunete sunt simple ciripituri, \u00een timp ce altele sunt melodii complexe. Diversitatea sunetelor penelor reflect\u0103 diversitatea incredibil\u0103 a speciilor de p\u0103s\u0103ri \u015fi adapt\u0103rile lor unice.<\/p>\n\n<h2 class=\"wp-block-heading\">Cum s\u0103 asculta\u0163i sunetele penelor<\/h2>\n\n<p>Dac\u0103 dori\u0163i s\u0103 auzi\u0163i singuri sunetele penelor, cel mai bun lucru pe care \u00eel pute\u0163i face este s\u0103 petrece\u0163i timp \u00een natur\u0103, mai ales \u00een timpul sezonului de reproducere. Asculta\u0163i sunetele neobi\u015fnuite care provin de la p\u0103s\u0103ri \u015fi fi\u0163i aten\u0163i la modul \u00een care \u00ee\u015fi mi\u015fc\u0103 penele. Cu pu\u0163in\u0103 r\u0103bdare, cu siguran\u0163\u0103 ve\u0163i auzi sunetele uimitoare pe care p\u0103s\u0103rile le pot scoate cu penele lor.<\/p>\n\n<h2 class=\"wp-block-heading\">Exemple de p\u0103s\u0103ri care c\u00e2nt\u0103 cu penele<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u0103\u0163unci:<\/strong> Aceste p\u0103s\u0103ri mici, \u00een mare parte banale, produc un sunet puternic de \u201ebrreeeet\u201d flutur\u00e2ndu-\u015fi aripile \u00eentr-un mod specific.<\/li>\n<li><strong>Beca\u0163ine:<\/strong> Beca\u0163inele mascule execut\u0103 un \u201edans al cerului\u201d \u00een timpul paradei nup\u0163iale, care implic\u0103 o combina\u0163ie de vocaliz\u0103ri \u015fi sunete \u015fuier\u0103toare produse de aripile lor.<\/li>\n<li><strong>Colibri:<\/strong> Colibri produc ciripituri \u015fi tweet-uri surprinz\u0103tor de puternice scutur\u00e2ndu-\u015fi penele cozii.<\/li>\n<li><strong>Caprimulgi:<\/strong> Aceste p\u0103s\u0103ri produc un sunet puternic de \u201epoc!\u201d vibr\u00e2ndu-\u015fi rapid penele aripilor \u00een timpul zborurilor de parad\u0103 nup\u0163ial\u0103.<\/li>\n<li><strong>Coco\u015fi de munte rufa\u0163i:<\/strong> Coco\u015fii de munte rufa\u0163i masculi produc un sunet ritmic de \u201ebufnituri\u201d b\u0103t\u00e2ndu-\u015fi aripile pe un butuc.<\/li>\n<li><strong>Porumbei cu creast\u0103:<\/strong> Aceste p\u0103s\u0103ri au pene de zbor modificate care creeaz\u0103 un fluierat distinctiv de plesc\u0103it atunci c\u00e2nd sunt alarmate.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>P\u0103s\u0103rile care c\u00e2nt\u0103 cu penele lor P\u0103s\u0103rile sunt cunoscute pentru c\u00e2ntecele lor frumoase, dar \u015ftia\u0163i c\u0103 unele p\u0103s\u0103ri pot c\u00e2nta de fapt folosind doar penele lor? A\u015fa este, anumite specii&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[1647,19006,136,252,930,1064,19005],"class_list":["post-14130","post","type-post","status-publish","format-standard","hentry","category-zoology","tag-adaptation","tag-courtship","tag-evolution","tag-nature","tag-birds","tag-feathers","tag-sound"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/14130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/comments?post=14130"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/14130\/revisions"}],"predecessor-version":[{"id":14131,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/14130\/revisions\/14131"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/media?parent=14130"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/categories?post=14130"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/tags?post=14130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}