List of articles № 123

Black-and-White Mouse: Distinctive Color Features

The term “black‑and‑white mouse” serves as a shorthand for a group of rodents distinguished by a stark contrast between pigmented dorsal fur and unpigmented ventral fur. While the label conveys the most obvious visual trait, it masks a range of biological details that differentiate individual strains and species.. Date latest changes:

Marsupial Mouse: A Unique Rodent Species

The marsupial mouse, scientifically known as Antechinus , belongs to the order Dasyuromorphia, not to Rodentia. Its classification as a marsupial places it among mammals that give birth to underdeveloped young, which then complete development within a pouch.. Date latest changes:

Signs of Rabies in Mice: How to Recognize the Disease

Rabies is an acute, fatal encephalitis caused by the rabies virus, a member of the Lyssavirus genus. The virus replicates in muscle tissue at the site of entry, then travels via peripheral nerves to the central nervous system, where it induces widespread neuronal dysfunction.. Date latest changes:

Mice for Kittens: Why They Are Needed and How to Use Them

Live rodents trigger a kitten’s innate hunting instinct, providing essential sensory and motor stimulation. When a kitten captures a mouse, visual tracking, auditory cues, and tactile feedback converge, reinforcing neural pathways that govern predatory behavior.. Date latest changes:

Are Mice Dangerous to Human Health

Hantavirus Pulmonary Syndrome (HPS) is a severe respiratory illness linked to exposure to infected rodents, especially deer mice that commonly inhabit North American households and outbuildings. The virus resides in the animals’ urine, feces, and saliva;. Date latest changes:

Do Scottish Cats Catch Mice? Breed Hunting Characteristics

Scottish cat breeds originate from distinct genetic events that continue to shape their predatory instincts. The Scottish Fold emerged in the 1960s when a cartilage mutation produced folded ears; the mutation also influences muscular tone, producing a calm disposition that can reduce spontaneous hunting drives.. Date latest changes:

Is Keeping a Mouse at Home Advisable? Pros and Cons

Mice possess several characteristics that distinguish them from more common companion animals. Their small size enables placement in limited spaces, allowing owners to provide enrichment within compact habitats. High reproductive potential creates opportunities for controlled breeding programs, which can be useful for educational or research purposes.. Date latest changes:

Effective Instructions for Using a Rat Trap Against Rats and Mice

Rats are medium‑sized rodents, typically 200–300 mm long, with keen nocturnal senses, strong incisors, and a preference for concealed pathways. Their omnivorous diet includes grains, fruits, meat scraps, and waste, which makes them opportunistic feeders in both residential and commercial settings.. Date latest changes:

Sticky traps for mice: how they work

Adhesive selection determines the capture efficiency of mouse glue boards. Natural resins – derived from plant sap or animal hide, these adhesives harden upon exposure to air. They provide strong initial tack but lose effectiveness in humid environments and may degrade at temperatures above 30 °C.. Date latest changes:

Poison for Rats and Mice with Mummifying Effect: What You Need to Know

The mummifying rodent poison employs a desiccating formula that preserves carcasses while delivering lethal toxicity. Traditional anticoagulant or neurotoxic baits act quickly, causing rapid decomposition and a high risk of secondary poisoning.. Date latest changes:

How to Get Rid of Mice on the Second Floor of an Apartment

Mice on an upper‑level flat survive primarily on readily available food. Eliminate these resources to break the infestation cycle. Store dry goods—cereal, pasta, rice—in airtight containers made of metal or thick plastic. Keep pet food sealed and feed only the amount required for each meal;. Date latest changes:

Poisoning Mice and Rats: Selecting Agents

Rodents serve as vectors for a range of pathogens that threaten human health. Direct contact with live or dead animals can transmit bacterial agents such as Salmonella spp., Leptospira interrogans, and Yersinia pestis . Inhalation of aerosolized rodent droppings or urine introduces hantavirus and lymphocytic choriomeningitis virus, both capable of causing severe respiratory and neurological disease.. Date latest changes:

Who Poisons Rats? Pest Control Methods

Rats carry a wide range of pathogens that directly threaten human health. Their saliva, urine, and feces contain bacteria, viruses, and parasites capable of causing severe illness. Direct contact through bites or handling contaminated materials can transmit infections such as rat‑bite fever (Streptobacillus moniliformis) and leptospirosis (Leptospira spp.. Date latest changes:

Signs of Pregnancy in Rats: How to Detect Gestation in Rodents

The estrous cycle of laboratory rats lasts approximately four to five days and consists of proestrus, estrus, metestrus, and diestrus. Each phase can be identified by characteristic cellular patterns in vaginal smears and by distinct behavioral cues.. Date latest changes:

Why Does a Domestic Rat Itch?

Itching in a pet rat commonly signals skin irritation, parasites, allergies, or environmental stress. Regular self‑care practices reduce these risks by maintaining skin integrity, preventing infestations, and supporting overall health. Groom the rat daily with a soft brush to remove loose fur and debris.. Date latest changes:

How to Treat Sneezing in Rats

Environmental conditions heavily influence respiratory irritation in pet rodents. Poor air quality, excessive dust, and abrupt temperature changes often trigger sneezing episodes. Key factors to monitor: Ventilation: Ensure fresh air exchange without drafts.. Date latest changes:

Rat Droppings: How to Assess Properly

Rat droppings are small, cylindrical fecal pellets produced by the common Norway rat (Rattus norvegicus) and related species. Typical dimensions range from 0.3 cm to 0.6 cm in length and 0.1 cm to 0.2 cm in diameter. Fresh pellets appear dark brown to black, become lighter as they age, and retain a firm, slightly glossy texture.. Date latest changes:

Hierarchy in Rat Groups: Experimental Findings

The investigation examined social ranking mechanisms within laboratory rat cohorts, aiming to identify structural patterns that emerge under controlled conditions. Subjects were grouped in triads and larger assemblages, with dominance interactions recorded over a 30‑day period using video tracking and infrared sensors.. Date latest changes:

Do Rats Need Their Nails Trimmed? Paw Care Requirements

Wild rats keep their claws functional without human intervention. Their nails wear down through constant contact with rough substrates such as concrete, wood, and stone. When rats navigate tunnels, climb vertical surfaces, or gn Rats kept in clean, dry habitats maintain healthier paws.. Date latest changes:

Do Rats Eat Cockroaches? Dietary Preferences

Rats possess a flexible diet that incorporates both plant and animal matter. Their digestive system processes seeds, fruits, grains, and insects with comparable efficiency, allowing rapid adaptation to available resources. In environments where cockroaches are abundant, rats readily include them in meals.. Date latest changes:

Rat Training Methods for Home Settings

Building a strong relationship with a pet rat enhances learning, reduces stress, and encourages consistent cooperation. Trust develops through predictable interactions, gentle handling, and positive reinforcement. Consistent daily routines create a sense of security.. Date latest changes:

Signs of Worms in Rats: How to Detect Them

Rats frequently harbor internal helminths that compromise health and experimental reliability. Recognizing the most prevalent species enables timely intervention. Hymenolepis nana (dwarf tapeworm) – adult worms in the small intestine, eggs shed in feces.. Date latest changes:

Boiled Egg Yolk for Rats: Benefits and Risks

Boiled egg yolk provides a concentrated source of nutrients often incorporated into rodent diets for experimental or husbandry purposes. The yolk’s composition includes several vitamins and minerals that influence physiological processes in rats.. Date latest changes:

Can rats use a running wheel? Guidance

Exercise improves physiological parameters in laboratory rats, including cardiovascular function, muscle tone, and metabolic balance. Access to a rotating apparatus encourages voluntary activity that aligns with natural foraging behavior, thereby reducing sedentary‑induced complications.. Date latest changes:

Dream book: what does dreaming of a mouse or rat mean

Dreams that feature a mouse often signal subtle strengths rather than fear. The animal’s small size emphasizes modesty, suggesting the dreamer is developing humility while still achieving goals. Resourcefulness: The mouse’s ability to navigate tight spaces reflects the dreamer’s skill in finding unconventional solutions.. Date latest changes:

How to Train a Pet Rat: Useful Tricks and Activities

A strong bond with a pet rat improves responsiveness, reduces anxiety, and creates a foundation for effective training. Consistent interaction builds trust, allowing the animal to anticipate the owner’s actions and signals. Daily routines reinforce reliability.. Date latest changes:

How to Keep a Fancy Rat in Domestic Conditions

Fancy rats trace their lineage to the brown rat (Rattus norvegicus), a species that expanded from northern China and Mongolia into Europe during the 18th century. Early European ports recorded dense populations of wild rats, prompting pest control measures that inadvertently introduced captive breeding.. Date latest changes:

Quickly and Effectively Get Rid of Rats in the House Using Folk Remedies

Rats rarely remain hidden; early detection prevents larger infestations. The following indicators confirm their presence: Small, dark droppings near food sources, corners, or along walls; fresh pellets appear moist, older ones dry and crumbly.. Date latest changes:

How to Clean a Mouse: Hygiene Recommendations After Finding One

Hantavirus Pulmonary Syndrome (HPS) is a viral disease transmitted primarily through inhalation of aerosolized particles from the urine, feces, or saliva of infected rodents. The virus multiplies in the respiratory tract, leading to rapid onset of severe respiratory failure.. Date latest changes:

Noise Against Mice: How Sounds Help Repel Rodents

Mice detect ultrasonic frequencies far beyond the human audible range, typically between 20 kHz and 80 kHz. Sensitivity peaks around 30–40 kHz, where the auditory threshold is lowest and even faint sounds trigger a startle response. Sound sources that emit steady tones or patterned pulses within this band can disrupt foraging and nesting activities, prompting rodents to vacate the area.. Date latest changes:

Feeder Mice for Snakes: How to Properly Feed Reptiles

Live feeder mice provide the nutritional profile required for most snake species. They supply protein, fat, calcium, and essential micronutrients in a form that mimics natural prey, supporting growth, shedding, and reproductive health. Key considerations when using live mice:. Date latest changes:

Sound Deterrents: How Ultrasonic Works Against Mice

Ultrasonic devices designed to repel rodents operate within a specific frequency spectrum that exceeds the upper limit of human hearing. The effective range typically spans from 20 kHz to 65 kHz, although some models extend to 100 kHz. Frequencies below 20 kHz are audible to people and many pets, while those above 65 kHz may experience rapid attenuation in air, reducing coverage area.. Date latest changes:

Adventures of City and Country Mice

The narrative follows two contrasting protagonists—a mouse accustomed to urban life and a counterpart raised in the countryside. Their journeys illustrate how modest living conditions provide reliable nourishment. When the city mouse encounters the country’s unadorned pantry, it discovers that simple grains and fresh herbs sustain health without excess.. Date latest changes:

Diseases Transmitted from Mice to Humans: Prevention and Treatment

Zoonotic diseases are infections that originate in animals and can be transmitted to humans through direct contact, bites, inhalation of aerosols, or consumption of contaminated food and water. Rodents, particularly mice, serve as reservoirs for several pathogens that meet this definition.. Date latest changes:

How Ultrasonic Mouse Repellers Work

Human hearing typically spans 20 Hz to 20 kHz, with peak sensitivity between 2 kHz and 5 kHz. Sensitivity declines sharply above 10 kHz, and most adults cannot detect sounds beyond 16–18 kHz. The auditory threshold rises with age and prolonged exposure to loud noise, a condition known as presbycusis.. Date latest changes:

How Two Mice Planned to Take Over the World: An Amazing Story

Ordinary mice spend most of their time gathering food, maintaining burrows, and avoiding predators. Their foraging routes are limited to a few meters from the nest, and they rely on scent trails to navigate. Reproduction follows a predictable cycle:. Date latest changes:

Do mice love cheese? Scientific facts about rodent preferences

The image of a mouse scurrying for cheese dominates visual storytelling, despite empirical evidence showing limited attraction to dairy products. Traditional folklore often employs the cheese motif to symbolize temptation or cleverness. In medieval European tales, a mouse stealing cheese serves as a cautionary element, illustrating resourcefulness or mischief.. Date latest changes:

Rat and Mouse Control in a Chicken Coop: Proven Methods

Rats and mice introduce pathogens that can cause severe illness in chickens. Direct transmission occurs through contaminated feed, water, and nesting material, leading to bacterial infections such as Salmonella and Escherichia coli. Viral agents, including Newcastle disease and avian influenza, may be carried on rodent fur or excreta, increasing outbreak potential.. Date latest changes:

Rodent Repeller Safety for Children and Pets

Ultrasonic rodent repellers emit high‑frequency sound waves that are inaudible to humans but uncomfortable for rodents. The devices typically operate between 20 kHz and 65 kHz, targeting the auditory sensitivity of mice and rats while claiming to avoid disturbance to other living beings.. Date latest changes:

Decorative Rat “Dambo”: Breed Features

The “Dumbo” trait in ornamental rats originates from a spontaneous mutation affecting the cartilage of the ear pinna. The alteration reduces the rigidity of the cartilage, allowing the ears to fold forward and outward, creating the characteristic “elephant‑ear” appearance.. Date latest changes: