A species of beetle called Paussus favieri infiltrates ant nests and feeds on their larvae. New research suggests the beetles may be tricking the ants by imitating sounds they use to communicate.Credit...Andrea Di Giulio An ant colony is an insect fortress: When enemies invade, soldier ants quickly detect the incursion and rip their foes apart with their oversize mandibles. But some invaders manag
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A still image from a video of Java sparrows performing a courtship display.Credit...Soma, et al Male Java sparrows are songbirds — and, scientists reported on Wednesday, natural percussionists. The sparrows click their bills against a hard surface while singing. That clicking is done in coordination with the song, much as a percussion instrument accompanies a melody. Researchers at Hokkaido Univer
With a robotic owl, above, researchers in Montana are trying to understand the secret language of the forest.Credit...Jeremy Roberts for The New York Times MISSOULA, Mont. — In the backyard of a woodsy home outside this college town, small birds — black-capped chickadees, mountain chickadees, red-breasted nuthatches — flitted to and from the yard’s feeder. They were oblivious to a curious stand ne
ミャンマー・ヤンゴンから北へ70キロほど離れたバゴー管区上空を飛ぶクロトキ(2015年1月28日撮影、資料写真)。(c)AFP/Ye Aung THU 【2月3日 AFP】渡り鳥のV字型飛行では、先頭が最も過酷なポジションとなっているが、鳥たちは交代で先頭に立つことで互いに補い合い、体力を消耗し尽くす者が出ないようにしているとの研究論文が2日、査読学術誌の米科学アカデミー紀要(Proceedings of the National Academy of Sciences、PNAS)に掲載された。 論文を発表した英オックスフォード大学(Oxford University)などの国際研究チームは、今回の発見を「鳥の『交代で行う』相互協力行動に関する世界初の有力証拠」としている。 今回の研究は、オーストリア・ザルツブルク(Salzburg)からイタリア・オルベテッロ(Orbetello)に季節移
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