Summaryedit

This image was selected as picture of the day on Wikimedia Commons for 11 May 2016. It was captioned as follows: English: Couple of Blue-footed boobies (Sula nebouxii) during a mating ritual, Lobos Island, Galápagos Islands, Ecuador. The blue-footed booby is a long-winged seabird with a wingspan of up to 1.5 m (4.9 ft). The species is 90 cm (35 in) high and is easily recognizable by its distinctive bright blue feet, which is a sexually selected trait, as the males display their feet in an elaborate mating ritual by lifting their feet up and down while strutting before the female. Although the blue-footed boobies are usually associated to the Galápagos Islands (where half of all breeding pairs nest), they can be found from the Gulf of California down along the western coasts of Central and South America down to Peru. Other languages:  Čeština: Párek terejů modronohých (Sula nebouxii) v době námluv, ostrov Lobos, Galapágy, Ekvádor. Deutsch: Ein Paar von Blaufußtölpeln (Sula nebouxii) während des Paarungsrituals auf Lobos, einer der Galapagosinseln (Ecuador). Der Blaufußtölpel ist ein Meeresvogel von bis zu 1,5 Metern Flügelspannweite. Die Tiere sind bis zu 90 cm groß und leicht an den hervorstechenden blauen Füßen erkennbar, die ein durch sexuelle Selektion hervorgerufenes Merkmal sind, da die männlichen Tiere ihre Füße in einem komplexen Paarungsritual vorzeigen, indem sie sie auf- und ab bewegen während sie vor den Weibchen hin und her stolzieren. Obwohl Blaufußtölpel üblicherweise mit den Galapagosinseln assoziiert werden (wo die Hälfte aller brütenden Paare nisten) können sie vom Golf von Kalifornien entlang der Westküste Mittel- und Südamerikas bis hinunter nach Peru gefunden werden. English: Couple of Blue-footed boobies (Sula nebouxii) during a mating ritual, Lobos Island, Galápagos Islands, Ecuador. The blue-footed booby is a long-winged seabird with a wingspan of up to 1.5 m (4.9 ft). The species is 90 cm (35 in) high and is easily recognizable by its distinctive bright blue feet, which is a sexually selected trait, as the males display their feet in an elaborate mating ritual by lifting their feet up and down while strutting before the female. Although the blue-footed boobies are usually associated to the Galápagos Islands (where half of all breeding pairs nest), they can be found from the Gulf of California down along the western coasts of Central and South America down to Peru. Español: Pareja de piqueros patiazules (Sula nebouxii) durante el ritual de apareamiento, Isla Lobos, Islas Galápagos, Ecuador. El piquero patiazul es un ave marina con unas alas que pueden alcanzar una longitud de hasta 1.5 m (4.9 ft). La especie tiene una altura de 90 cm (35 in) y es muy fácil de identificar gracias a sus patas de color azul, que son parte de su proceso de selección sexual al formar parte de un elaborado ritual de apareamiento en el que se balancean subiendo las patas mientras sacan pecho ante la hembra. Aunque se suele asociar a los piqueros patiazules con las islas Galápagos (donde anidan la mitad de todos los ejemplares), también se pueden encontrar en las zonas costeras entre el Golfo de California, pasando por América Central, hasta Perú. Italiano: Coppia di sule piediazzurri (Sula nebouxii) durante il rituale di accoppiamento, fotografata sull'isola di Lobos nelle Galápagos. Magyar: Kéklábú szulák (Sula nebouxii) a Galápagos-szigeteken (Ecuador) Nederlands: Het paringsritueel van twee blauwvoetgenten op het eiland Lobos, dat deel uitmaakt van de Ecuadoraanse Galapagoseilanden. Português: Casal de patolas-de-pés-azuis (Sula nebouxii) durante o ritual de acasalamento, ilha Lobos, Galápagos, Equador. Македонски: Пар синоноги блуни (Sula nebouxii) на островот Лобос, Галапагос. Українська: Пара синеногих олуш (Sula nebouxii) під час ритуалу спарювання на острові Лобос, Галапагоські острови, Еквадор. Синенога олуша є морським птахом із розмахом крил до 1.5 метрів та висотою близько 90 см. Цих птахів легко впізнати по їх блакитних лапках, які є важливою ознакою при статевому доборі. Самці намагаються привабити самок піднімаючи та опускаючі їхні лапки. Хоча вони в основному водяться на Галапагоських островах, їх також можна знайти в Каліфорнійській затоці і на західному узбережжі Центральної та Південної Америки від Каліфорнійської затоки до Перу. 한국어: 에콰도르 갈라파고스 제도 로보스 섬에서 짝짓기 의식 중인 한 쌍의 푸른발얼가니새 (Sula nebouxii). 푸른발얼가니새는 날개 길이가 1.5m에 달하는 긴 날개의 바닷새이다. 이 종류는 키가 90cm 로, 독특한 밝은 청색의 발로 쉽게 알아볼 수 있는데, 이는 성선택된 특성으로, 수컷은 정성 들인 짝짓기 의식에서 암컷 앞에서 뽐내며 걸으면서 발을 위 아래로 들어 내보인다. 푸른발얼가니새는 통상적으로 갈라파고스 제도에 연관되고 새끼를 낳는 쌍의 절반이 그곳에 둥지를 틀지만, 중앙 및 남아메리카의 칼리포르니아 만에서 페루까지의 서쪽 해안에서도 볼 수 있다. 中文: 厄瓜多科隆群岛洛斯洛沃斯岛上进行交配仪式的一对蓝脚鲣鸟 (Sula nebouxii)。蓝脚鲣鸟是一种长翅膀的海鸟，展翅翼长可长达1.5 m (4.9 ft)，身高则有90 cm (35 in)高，并且很容易从亮蓝色的脚辨识，属于它们性择特征。雄鸟常常在交配仪式时将脚抬起又放下，同时在雌鸟前高视阔步。虽然蓝脚鲣鸟常与科隆群岛连在一起(约有一半的繁殖期的父母在这边筑巢)，它们从加利福尼亚湾分布到中南美洲西岸的秘鲁。 中文（繁體）‎: 厄瓜多加拉巴哥群島洛斯洛沃斯島上進行交配儀式的一對藍腳鰹鳥 (Sula nebouxii)。藍腳鰹鳥是一種長翅膀的海鳥，展翅翼長可長達1.5 m (4.9 ft)，身高則有90 cm (35 in)高，並且很容易從亮藍色的腳辨識，屬於牠們性擇特徵。雄鳥常常在交配儀式時將腳抬起又放下，同時在雌鳥前高視闊步。雖然藍腳鰹鳥常與加拉巴哥群島連在一起(約有一半的繁殖期的父母在這邊築巢)，牠們從加利福尼亞灣分佈到中南美洲西岸的祕魯。

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Pareja de piqueros patiazules (Sula nebouxii) durante el ritual de apareamiento, Isla Lobos, Islas Galápagos, Ecuador. El piquero patiazul es un ave marina con unas alas que pueden alcanzar una longitud de hasta 1.5 m (4.9 ft). La especie tiene una altura de 90 cm (35 in) y es muy fácil de identificar gracias a sus patas de color azul, que son parte de su proceso de selección sexual al formar parte de un elaborado ritual de apareamiento en el que se balancean subiendo las patas mientras sacan pecho ante la hembra. Aunque se suele asociar a los piqueros patiazules con las islas Galápagos (donde anidan la mitad de todos los ejemplares), también se pueden encontrar en las zonas costeras entre el Golfo de California, pasando por América Central, hasta Perú. Couple of Blue-footed boobies (Sula nebouxii) during a mating ritual, Lobos Island, Galápagos Islands, Ecuador. The blue-footed booby is a long-winged seabird with a wingspan of up to 1.5 m (4.9 ft). The species is 90 cm (35 in) high and is easily recognizable by its distinctive bright blue feet, which is a sexually selected trait, as the males display their feet in an elaborate mating ritual by lifting their feet up and down while strutting before the female. Although the blue-footed boobies are usually associated to the Galápagos Islands (where half of all breedinmg pairs nest), they can be found from the Gulf of California down along the western coasts of Central and South America down to Peru. Deutsch: Ein Paar von Blaufußtölpeln (Sula nebouxii) während des Paarungsrituals auf Lobos, einer der Galapagosinseln (Ecuador). Der Blaufußtölpel ist ein Meeresvogel von bis zu 1,5 Metern Flügelspannweite. Die Tiere sind bis zu 90 cm groß und leicht an den hervorstechenden blauen Füßen erkennbar, die ein durch sexuelle Selektion hervorgerufenes Merkmal sind, da die männlichen Tier ihre Füße in einem komplexen Paarungsritual vorzeigen, indem sie sie auf- und ab bewegen während sie vo