The Belted Kingfisher is a medium-sized aquatic bird, easily recognized by its bright plumage and vivid colors. It measures about 28 cm in length and weighs between 100 and 150 g. Its back is a brilliant metallic blue, while its belly is white with orange patches on the chest. It has a long, straight, pointed bill, suited for catching fish and other aquatic prey. The Belted Kingfisher is an excellent diver, often perching on branches or electrical wires above the water before diving at high speed to catch its prey. It primarily lives in rivers, lakes, marshes, and coastal areas of North America, from southern Canada to Mexico. These birds are solitary and defend their territory by emitting sharp calls. While its population remains relatively stable, it is threatened by habitat loss due to water pollution and wetland destruction.

The European Kingfisher is a small aquatic bird, easily recognized by its vivid plumage and bright colors. It measures about 17 to 19 cm in length and weighs between 30 and 40 g. Its back is a brilliant metallic blue, while its belly is a bright orange. Its bill is long, straight, and pointed, perfectly suited for catching fish and aquatic insects. This kingfisher primarily lives along rivers, lakes, and canals in Europe, where it perches on branches or rocks near the water. When hunting, it dives quickly in a headfirst plunge to capture its prey, often using its excellent vision to locate fish underwater. The European Kingfisher is a solitary bird, defending its territory by emitting a sharp call. While it is relatively common in many parts of Europe, it can be threatened by water pollution and habitat destruction.

The Giant Kingfisher is the largest of the kingfisher species, measuring between 40 and 45 cm in length and weighing between 200 and 300 g. It has a distinctive plumage, with a metallic blue back, a gray head, and a white belly. Its bill is particularly long and powerful, suited for capturing large aquatic prey, such as fish, reptiles, and even crustaceans. This kingfisher primarily inhabits the banks of rivers and lakes in sub-Saharan Africa, India, Sri Lanka, and southern China, where it often hunts from branches or rocks above the water. Although it is primarily solitary in its hunting activities, it can sometimes be seen in pairs or families during the breeding season. The Giant Kingfisher is an excellent diver but is also known for its ability to catch prey while flying over the water and striking with its bill at great speed. While the species is widely distributed, it faces threats related to habitat loss and water pollution.

The Collared Kingfisher is a small colorful bird, measuring about 15 to 18 cm in length, and weighing between 20 and 30 g. It is distinguished by its head adorned with a characteristic crest made of bright blue feathers, and its brilliant plumage which combines shades of metallic blue and bright orange. Its back is cobalt blue and its belly is orange, with a striking contrast between the two. This kingfisher primarily inhabits wetlands in sub-Saharan Africa, often near rivers, marshes, and lakes, where it primarily hunts fish and aquatic insects. It is often seen diving from a perch to catch its prey, using its pointed and powerful bill to grab it with great precision. While it is generally a solitary bird, it can sometimes be seen in pairs during the breeding season. Although the population of the Collared Kingfisher is relatively stable, it faces threats such as habitat loss and water pollution.

The Pied Kingfisher is a medium-sized aquatic bird, measuring about 25 cm in length and weighing between 80 and 120 g. It is easily recognized by its distinctive black and white plumage, with a black head, white back, and wings that are also black and white. Its belly is generally white, and it has a long, straight, pointed bill, perfectly suited for catching fish and aquatic insects. This kingfisher primarily inhabits coastal areas, rivers, lakes, and marshes in sub-Saharan Africa, the Middle East, and southern Asia. It primarily feeds on small fish, but can also catch insects, crustaceans, and small frogs. The Pied Kingfisher is an excellent diver, often seen diving into the water at high speed from a perch to catch its prey. While often observed alone or in small groups, it can sometimes be seen in pairs during the breeding season. While it is widely distributed, it can be threatened by water pollution and habitat loss.

The Ruddy Kingfisher, or Halcyon coromanda, is a medium-sized bird known for its striking purple plumage and robust red bill. It primarily inhabits the tropical and subtropical forests of Southeast Asia, where it feeds on small fish, insects, and crustaceans. This bird is often seen near water bodies, using its keen eyesight to spot prey. Although generally discreet, its melodious call can be heard at dawn and dusk. The Ruddy Kingfisher is a migratory bird, moving to warmer regions during winter months. Its population is stable, but it remains vulnerable to deforestation.

The Purple Kingfisher is a small aquatic bird distinguished by its vibrant plumage and bright colors. It measures about 16 to 17 cm in length and weighs between 30 and 40 g. Its plumage is an intense blue with purple hues and bright orange tones on the belly. This kingfisher has a long, straight, pointed bill, perfectly suited for catching fish and aquatic insects. It primarily inhabits the humid regions and tropical forests of Southeast Asia, especially in areas along rivers and marshes. The Purple Kingfisher often hunts by perching on branches or rocks near the water, diving quickly to catch its prey. While generally solitary, it sometimes forms pairs during the breeding season. Although the species is relatively widespread, it faces threats such as deforestation and pollution of waterways.

The Green Kingfisher is a small, vibrant aquatic bird, measuring about 25 cm in length and weighing between 50 and 100 g. It is distinguished by its bright green plumage on its back, with a white chest and belly, sometimes tinged with orange. Its bill is long, pointed, and straight, ideal for catching fish and aquatic insects. This kingfisher primarily inhabits North and Central America, especially along rivers, lakes, and marshes. It hunts by diving directly into the water from an elevated perch, such as a tree or electrical wire, to capture its prey. The Green Kingfisher is a territorial bird, often observed alone or in small groups during the breeding season. While it is widely distributed, it faces threats such as water pollution, habitat loss, and human disturbance.

The Alpine Swift is a large swift measuring between 20 and 23 cm in length, with a wingspan of 51 to 58 cm. It has a white belly and throat, separated by a brown pectoral band, and a brown-gray back. It is often confused with the Common Swift, but it is larger and more robust. A migratory species, it winters in tropical Africa and returns to Europe between March and April. It primarily nests in inaccessible rock cavities but can also occupy urban sites. It feeds exclusively on insects captured in flight, often at high altitudes. It is monogamous, and pair bonds can last over ten years. In Switzerland, it is present from late March to late October. A protected species, it is considered potentially threatened due to the loss of its natural nesting sites.

The Common Swift, Apus apus, is a migratory bird known for spending most of its life in flight. With a wingspan of 40 to 44 cm, it is easily recognizable by its crescent-shaped silhouette and dark plumage. Common Swifts are masters of the sky, capable of traveling thousands of kilometers without landing. They feed on insects caught in flight. Their high-pitched call is often heard before they are seen. These birds nest in crevices of buildings or cliffs, and their annual return is a herald of summer.

The Pale Swift is a migratory bird species that is mainly found in southern Europe, the Middle East, and North Africa. This small bird is easily recognizable by its grayish color and sleek body, perfectly adapted for speed and maneuverability in flight. It spends most of its life in flight, only landing to breed. It feeds primarily on insects that it catches while flying, often at high speed. The Pale Swift is an open-sky bird, frequently seen at high altitudes near mountains or soaring over urban areas in search of food.

The Chimney Swift, Chaetura pelagica, is a small migratory bird known for its rapid and agile flight. It is often seen in urban areas, nesting in chimneys and similar structures. Its plumage is primarily dark brown, making it difficult to spot when flying high in the sky. These birds are insectivores, feeding mainly on small flying insects caught in mid-air. Their high-pitched call is often heard before they are seen. Chimney Swifts are social birds, frequently observed in large groups, especially during migration. They play a crucial role in controlling insect populations, thus contributing to ecological balance.

The European Marten is a small carnivorous mammal, measuring between 45 and 55 cm in length, with a tail of 25 to 30 cm. It typically weighs between 1.5 and 2 kg, with males being slightly larger than females. Its fur is reddish-brown on the back, with a lighter belly, sometimes pale yellow, and a distinctive white patch on the throat. The European Marten primarily inhabits forests, woodlands, and mountains across Europe, although it can also be found in agricultural areas and urban parks. It is an excellent climber and spends a lot of time in trees, where it primarily hunts birds, small mammals, insects, and fruits. The European Marten is a solitary, territorial animal, with nocturnal and crepuscular behavior. While its population remains relatively stable, it is threatened by habitat loss, hunting, and road collisions.

The Little Auk is the smallest of the Atlantic alcids, measuring about 19 to 21 cm in length with a wingspan of 34 to 38 cm. Its plumage is black on the back and head, with a white face and belly. It has a short, stout bill adapted for catching small marine prey. A gregarious species, it forms massive breeding colonies on Arctic rocky coasts, nesting in crevices or under boulders. Outside the breeding season, it lives in the open sea, often near pack ice. It feeds mainly on copepods, krill, and small fish, which it captures by diving. Although currently listed as Least Concern, climate change and ocean pollution pose potential threats to its habitats.

The ring ouzel is a passerine bird found primarily in the mountains and coniferous forests of Europe, Asia, and the Middle East. It is easily recognized by its dark plumage, white chest that contrasts with its black belly, and the white ring around its neck. This small bird primarily feeds on berries, insects, and small fruits, which it finds mainly in bushes and forest floors.

The European blackbird is a very common passerine bird found throughout Europe, Asia Minor, and North Africa. It is easily recognized by its glossy black plumage and bright yellow beak. This passerine primarily feeds on earthworms, insects, and fruit. Although it is often seen in gardens and urban parks, it remains a relatively discreet bird. It is also highly regarded for its melodious song, especially in spring.

The long-tailed tit is a small passerine bird distinguished by its very long tail, nearly as long as its body. It is primarily found in mixed forests, hedgerows, and wooded parks across Europe and Asia. This small bird is often seen in groups, moving quickly from tree to tree in search of insects and spiders, which it catches with agility. Its tail helps it maintain perfect balance when perched and allows it to navigate through branches to forage.

The blue tit is a small, colorful bird easily recognizable by its blue head, olive back, and bright yellow breast. It is found primarily in forests, gardens, and parks across Europe and Asia. The blue tit is a curious and active bird, often seen foraging for seeds, berries, and insects. It is also capable of using ingenious techniques to access food, making it a fascinating subject for photographers.

The boreal chickadee is a small passerine, 11–13 cm long, with olive-gray and brown plumage, featuring a dark brown cap, black bib, and white cheeks. It inhabits coniferous and mixed forests across the northern hemisphere, feeding on insects, seeds, and berries gleaned while clinging to branches. During the breeding season, pairs excavate or occupy tree cavities to nest, and the male feeds the female at the nest.

The great tit is a small, very common tit found across Europe and Western Asia. It is easily recognizable by its bright yellow plumage, black head, and white cheeks. This passerine bird is commonly seen in gardens, parks, and forests, where it feeds primarily on insects, seeds, and berries. The great tit is known for its curious nature and its ability to adapt to different habitats. It is also an excellent climber, often seen foraging in trees and shrubs.

The coal tit is a small passerine, 10–12 cm long, with slate-grey plumage, a black cap, white bib, and subtly streaked flanks. It frequents coniferous and mixed woodlands across Europe, often at edges or low in the canopy, where it forages on branches and trunks for insects and spiders. Solitary or in small family groups, it may join communal roosts in winter. During the breeding season, pairs defend their nest site together, placing the nest in a tree cavity or an old tit nest.

The marsh tit is a small passerine bird found primarily in broadleaf forests, thickets, and wetland areas across Europe and Asia. It is easily recognized by its light brown plumage, black crown, and white belly. This small bird primarily feeds on insects, seeds, and berries, which it finds in the foliage and underbrush. The marsh tit is also known for its curious behavior and soft song.

The Sagittarius Hornbill, or Tockus alboterminatus, is a medium-sized bird primarily found in the savannas and open forests of Central and East Africa, notably in Kenya, Tanzania, and Uganda. It measures about 45 to 50 cm in length and weighs between 100 and 150 g. This bird is distinguished by its predominantly light gray and white plumage, with touches of black on the wings and tail, as well as a long, curved beak, characteristic of hornbills and messengers. Its name "sagittarius" comes from its beak, which resembles an arrow. The Sagittarius Hornbill primarily feeds on fruits, seeds, small insects, and small vertebrates. It is also known for its social behaviors and can be observed in small groups or pairs, and while less noisy than other hornbills, it emits distinct communication calls. The species is not currently endangered but may be affected by deforestation and loss of its natural habitat.

The Black Kite is a large bird of prey, measuring about 55 to 60 cm in length, with a wingspan of 150 to 160 cm and weighing between 800 g and 1.5 kg. It is distinguished by its predominantly black plumage with gray and brown shades, and a lighter head, often silvery-gray. This raptor has long, pointed wings, ideal for soaring and maneuvering in the air. The Black Kite is primarily found in Europe, but its range also extends to North Africa and the Middle East. It primarily inhabits open areas such as countryside, sparse forests, and riverbanks, where it feeds on small mammals, birds, reptiles, and also carrion. The Black Kite is an excellent glider, using thermal currents to stay aloft with minimal effort. This bird is also known for its social behavior and can be seen in groups, especially during migration. Although it is not in immediate danger, it faces threats such as habitat loss, poisoning, and collisions with power lines.

The Red Kite is a large bird of prey, measuring about 60 to 70 cm in length, with a wingspan of 1.5 to 1.8 meters. It typically weighs between 1.2 and 1.5 kg. This raptor is distinguished by its reddish-brown plumage on the back and wings, with a lighter head and a deeply forked tail, giving it a characteristic silhouette in flight. The Red Kite primarily inhabits open forests, agricultural areas, and meadows, where it hunts small mammals, birds, insects, and carrion. It is an excellent glider and uses thermal currents to stay aloft effortlessly, allowing it to spot prey from a distance. The Red Kite is also a social bird, often seen in groups during the migration period, although it is generally solitary outside this time. While its population remains relatively stable, it faces threats such as habitat loss, pollution, and collisions with power lines.

The Petroica longipes, commonly known as the Long-legged Flyrobin, is a small bird from the Petroicidae family. It is endemic to New Zealand, primarily inhabiting dense forests and wooded areas. This passerine is distinguished by its black and white plumage, with a striking white breast and relatively long legs that give it an elegant appearance. The Long-legged Flyrobin is an insectivore, feeding mainly on small insects and spiders caught on the ground or low branches. It is known for its melodious song and elaborate courtship displays. Although its habitat is limited, it is not currently considered threatened.

The Agkistrodon contortrix, commonly known as the Copperhead, is a venomous snake native to the United States. It is identifiable by its coppery brown coloration with darker crossbands. This snake prefers wooded habitats, rocky areas, and grasslands. Although venomous, its bite is rarely fatal to humans but can cause intense pain and requires medical attention. The Copperhead is a relatively discreet snake that prefers to avoid confrontations. It primarily feeds on small rodents, birds, and insects. Its ability to remain still and camouflaged in its environment makes it difficult to spot.

The Italian Sparrow, Passer italiae, is a small, robust bird often mistaken for the House Sparrow. It features brown and grey plumage, with a dark brown cap and distinctive white cheeks. Males have a more pronounced black bib than females. This passerine is mainly sedentary, inhabiting urban and rural areas in southern Europe, especially in Italy and Corsica. It is omnivorous, feeding on seeds, insects, and crumbs. The Italian Sparrow is very social, often forming large flocks. It nests in cavities of buildings or trees, using various materials to build its nest.

The Dead Sea Sparrow, or Passer moabiticus, is a small passerine bird belonging to the Passeridae family. It is primarily found in the arid and semi-arid regions of the Middle East, especially around the Dead Sea, which gives it its English name. This sparrow is characterized by its gray and brown plumage, with lighter shades on the belly. Males have a gray cap and a black throat, while females are duller. They often live in colonies and are known for their melodious song. Their diet mainly consists of seeds and insects. Although relatively common in their range, their habitat is threatened by environmental degradation.

The house sparrow is a very common small bird, found primarily in urban environments, gardens, fields, and parks. It is easily recognized by its brown plumage, grey head, and black markings on its back and chest. This passerine bird is omnivorous, feeding on seeds, insects, and food scraps. Although highly social and often seen in large numbers, the house sparrow is in decline in some regions due to habitat loss and climate change.