Eurasian ermine (Mustela erminea) – France

Stoat (Mustela erminea) in its natural habitat - France

The Stoat (Mustela erminea), an agile sentinel of the French mountains.

Lively and bold, this small carnivore is a master of camouflage and survival in rugged landscapes.

Famous for its coat that changes color with the seasons, the stoat trades its brown summer dress for immaculate white fur in winter, keeping only the deep black tip of its tail. This photograph captures the curious and alert expression of this mustelid, capable of slipping into the smallest crevices to track its prey. Despite its small size and elegant appearance, the stoat is a formidable and tireless predator, symbolizing the vital force that animates the mountainous and hedgerow environments of our regions.

Male Mountain Nyala (Tragelaphus buxtoni) – Bale Mountains, Ethiopia

Male

Male Mountain Nyala (Tragelaphus buxtoni) – Bale Mountains, Ethiopia

 

Shy and elusive, the mountain nyala lives only on the Ethiopian highlands, among misty heather forests, alpine meadows, and shadowy clearings. Fewer than 4,000 individuals remain in the wild, most of them confined to the Bale Mountains — the species’ last stronghold.

Males are especially striking: larger and darker than females, they bear long, spiraled horns and a dark crest along their back that stands erect during tension or display. These features make them elegant, ghost-like figures of the high-altitude forests — rare, silent, and hard to glimpse.

Pack of Abyssinian Wolves on Patrol in the Bale Mountains (Canis simensis), Ethiopia


Pack of Abyssinian Wolves on Patrol in the Bale Mountains (Canis simensis), Ethiopia

Pack of Abyssinian Wolves on Patrol in the Bale Mountains (Canis simensis), Ethiopia


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Abyssinian wolves feed almost exclusively on rodents. Their habitat is limited to the high plateaus and mountains of Ethiopia, where rodent density is particularly high. In the Bale Mountains, where this photo was taken, up to 6,000 rodents can be found per square kilometer.

This diet has shaped their behavior: unlike other wolf species that hunt large prey in packs, Abyssinian wolves hunt alone.
Yet each morning, before spreading out to search for food, clan members carry out a joint patrol across their territory.

On this particular day, six wolves from the Meguiti clan were roaming their land, ensuring no intruders had trespassed.

Ornate Ghost Pipefish (Solenostomus paradoxus) – Indonesia

Ornate

Ornate Ghost Pipefish (Solenostomus paradoxus) – Indonesia

 

Strange and delicate, Solenostomus paradoxus defies the eye. This harlequin ghost pipefish, a master of camouflage, blends perfectly among gorgonian branches or seagrass beds, mimicking the shapes and colors of its surroundings. Hanging head-down, it seems to vanish into the background, eluding predators with ease. Its spectacular mimicry makes it one of the most fascinating illusionists of tropical reefs.

Pair of White-throated Dipper (Cinclus cinclus) – Spain

Pair

Pair of White-throated Dipper (Cinclus cinclus) – Spain

 

A small bird of fast-flowing rivers, the white-throated dipper fascinates with its aquatic lifestyle. Able to walk underwater against the current, it hunts aquatic insects, larvae, and small crustaceans along the stream bed. In this discreet dweller of cool waters, the bond between mates is strengthened through food exchanges: the male sometimes feeds the female — a gesture that seals their union before nesting begins.

Japan: A Monkey with a Surprising Habit

Snow monkeys (in Japanese, nihonzaru 日本猿), also known as Japanese macaques (Macaca fuscata), are the only species of primate living in the wild in Japan. This species is also endemic to the Japanese archipelago. These monkeys are mainly found in mountainous regions, at altitudes ranging from 500 to 2,500 meters. In winter, when temperatures become harsh, these monkeys have developed a surprising habit: soaking in natural hot springs to keep warm!

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