野鳥･自然ニュース - BIRDER.jp

Researchers explore the valuable connection between birds, memory and territory in Chile

Black-necked swans, spot-flanked gallinules, southern lapwings, austral thrushes and dozens of other bird species fly across the Río Cruces Wetland, carrying the biocultural memory of the territory....

Birds are among Earth’s most important nutrient-movers | Cornell Chronicle

Birds play an outsized, underappreciated role in shaping Earth’s chemistry, distributing nutrients across oceans, forests and coral reefs and sustaining life far beyond the nest, according to a new...

Caribbean islands were once the center of diversity for barn owls

Key points Barn owls dispersed to North America from Eurasia between the Pliocene and early Pleistocene epochs, less than 5 million years ago, likely by crossing the Atlantic Ocean. A new study...

Guatemala gains its first endemic bird in American Ornithological Society's 67th supplement

The 67th Supplement to the American Ornithological Society's (AOS's) Check-list of North American Birds, which was published today in Ornithology, includes several significant updates to the classi...

Migratory birds spread avian influenza to Greenland’s polar bears | Cornell Chronicle

Scientists found evidence of infections in bear blood samples acquired from Greenland Inuit subsistence hunters.

Marbled murrelet chicks face greater predation risk when ocean conditions are poor

CORVALLIS, Ore. – Less favorable ocean conditions mean marbled murrelet chicks take longer to leave the nest, making them more vulnerable to predation, according to a new study of the iconic Pacific...

‘Silent’ vultures turn out to use a wide range of sounds to communicate

The findings could potentially help improve the success of captive breeding programmes and shed light on the evolution of communication.

Barn owls are gradually changing colour

Over the past 30 years, Swiss barn owls have become more reddish-brown and more heavily spotted. By analysing the genomes of more than 3,000 birds, scientists at the University of Lausanne identified...

From ‘gentle’ and ‘graceful’ to the ‘cane toad of the sky’: how Australia turned on the common myna

Australians now loathe the common myna. But the bird was introduced for a reason – and was often liked and admired for most of its 164 years here.

Seabird family tree predicts which species accumulate plastic better than diet, global analysis...

What seabirds eat might seem like a good starting point for identifying species that tend to accumulate plastic in their digestive systems. Yet a recent global analysis suggests that mapping the...

Who should have a say in which species are saved? The California condor offers lessons for a global...

When conservation affects local people, the question of who pays and who has a voice in decisions can make or break species recovery.

Crows make decisions twice as fast as humans and monkeys

University of Tübingen researchers have shown that crows, when confronted with a visual choice, make a decision twice as fast as humans and monkeys. In the experiment, two carrion crows took just 235...

初の人工育雛成功で孫世代残す…富山市ファミリーパークで園内最高齢8歳4か月のライチョウ死ぬ　飼育数は17羽に | TBS NEWS DIG

富山市ファミリーパークは28日、園内で飼育していた最高齢クラスのメスのニホンライチョウ1羽が、午前10時34分に死んだと発表しました。死因は肝腫瘍とみられ、園で飼育する個体としては最高齢の8歳4か月でした。…

世界最大の「ナガコムシ」新種、山口・秋吉台の洞窟で発見　京大

駅に近い河川敷に「うじゃうじゃいる」シカの大群　なぜ生息？専門家「エサもあって隠れられる」シカにとって好条件そろう｜FNNプライムオンライン

全国的にシカの増加が問題となっている。山間部だけでなく、都市部の意外な場所にもシカの群れが住み着いていることがわかった。今回撮影に成功したその場所は、JR沼津駅から1.5kmほどしか離れていない河川敷だった。2026年8月、南アルプスの長野県側を飛行するヘリコプターから衝撃的な映像が撮影された。上空から撮影した人は最初山肌の一部が茶色っぽく見えたという。そしてよく目を凝らすとシカの大群だった...

オットセイで狂犬病が拡大、海の哺乳類で初　人も噛まれている

南アフリカなどに生息するミナミアフリカオットセイで狂犬病の集団感染が起きている。海洋哺乳類で感染の拡大が確認されたのは初。人が噛まれる被害も続く。感染源や対策は？