Golden hamster（圖片來源：Sqrt，採用  CC BY 4.0  授權） The golden hamster ( Mesocricetus auratus ), also known as the Syrian hamster, is a small rodent native to the arid regions of northern Syria and southern Turkey. Its natural habitats consist mainly of semi-arid grasslands and agricultural fields, where summers are hot during the day but temperatures drop noticeably at night, while winters are cooler with occasional precipitation. In the wild, golden hamsters live in burrows that th

Winter white dwarf hamster（圖片來源：Philipp Salzgeber，採用  CC BY 2.5  授權） The winter white dwarf hamster ( Phodopus sungorus ), also known as the Djungarian hamster, is a small rodent native to the grasslands and agricultural regions of Siberia, Mongolia, and Central Asia. Its body is round and compact, roughly half the size of the Syrian hamster, which places it among the group commonly known as dwarf hamsters. In the wild, these hamsters undergo a seasonal coat change during win

Roborovski hamster（圖片來源：Bullet，採用  CC BY-SA 3.0  授權） The Roborovski hamster ( Phodopus roborovskii ), often called the Roborovski dwarf hamster, is the smallest member of the dwarf hamster group. Adults typically measure only about 5 centimeters in body length and weigh around 20 grams. Their appearance is distinctive: two white patches above the eyes resemble small eyebrows, and unlike several other dwarf hamsters, they lack a dorsal stripe along the back, making them relati

Mongolian gerbil（圖片來源：Alastair Rae from London, United Kingdom， CC0 1.0  公共領域） The Mongolian gerbil ( Meriones unguiculatus ) is a small rodent belonging to the genus Meriones . Adults are of moderate size, with a body length of approximately 11–13 cm. The tail is nearly equal in length to the body, and individuals typically weigh between 60 and 130 grams, with males generally slightly larger than females. Their fur is usually sandy yellow to grayish brown, while the abdomen

Guinea pig（圖片來源：Gzen92，採用  CC BY-SA 4.0  授權） The guinea pig ( Cavia porcellus ), often referred to as a cavy or guinea pig, is a rodent belonging to the family Caviidae. It originates from the grassland regions of the Andes in South America. More than five thousand years ago, Indigenous peoples in this region had already domesticated these animals. At that time they were primarily raised as a source of meat rather than as pets. It was not until the sixteenth century, when Eur

Long-tailed chinchilla（圖片來源：Salix，採用  CC BY-SA 3.0  授權） The Long-tailed chinchilla ( Chinchilla lanigera ) is one of the two extant species within the genus Chinchilla . It is native to the high-altitude arid regions of the Andes Mountains in South America, typically occurring at elevations between approximately 3,000 and 5,000 meters. In these environments, daytime temperatures under direct sunlight may reach around 30°C, while nighttime temperatures can fall below 0°C. Such

Four-toed hedgehog（圖片來源：Cvmontuy，採用  CC BY 4.0  授權） Four-toed hedgehog ( Atelerix albiventris ), also known as the white-bellied hedgehog, is native to a vast region of sub-Saharan Africa, ranging from Senegal and Gambia in West Africa across to Somalia in East Africa, and extending southward to Mozambique. These hedgehogs prefer open savannas, shrublands, and dry agricultural landscapes, while dense forests and wetlands are generally avoided because humid or heavily wooded e

Domestic rabbit, selectively bred（圖片來源：Friedrich Haag，採用  CC BY-SA 4.0  授權） The domestic rabbit (Oryctolagus cuniculus domesticus) is the domesticated form of the European rabbit (Oryctolagus cuniculus), developed through long-term human selection. Today, hundreds of breeds exist worldwide. Rabbits were first enclosed and managed by the Romans, primarily as a source of meat and fur. During the Middle Ages, French monks reportedly consumed rabbit meat during fasting periods as

Ferret（圖片來源：Alfredo Gutiérrez，採用  CC BY-SA 4.0  授權） The ferret ( Mustela putorius furo ) is a small carnivorous mammal belonging to the family Mustelidae. It is widely regarded as the domesticated descendant of the European polecat ( Mustela putorius ). Ferrets possess an elongated body with short limbs. Adults generally measure about 30 to 50 cm in body length, with a tail reaching roughly 10 cm. Body mass varies between sexes: males usually weigh more than 1–2 kg, while fem

Sugar glider（圖片來源：Wm Jas / 邰秉宥 from Changhua, Taiwan，採用  CC BY-SA 2.0  授權） The sugar glider ( Petaurus breviceps ) is a small marsupial distributed across the coastal forests of eastern Australia, Papua New Guinea, and nearby islands. It is a nocturnal and arboreal animal capable of gliding. Because of its gliding behavior, it is often mistaken as being closely related to flying squirrels. In reality, the similarity is the result of convergent evolution, and sugar gliders are