The Raccoon (Procyon lotor) as a Neozoon in Europe

Matthias Bernhard Stope1

  • 1Department of Gynecology and Gynecological Oncology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany.

Related Concept Videos

Learned Behavior II01:20

Learned Behavior II

Learned Behavior IITeaching a dog to sit or learning how to ride a bike are examples of learned behaviors—actions acquired through experience and practice. These behaviors are not instinctive; instead, they develop over time as individuals interact with their environment. While some behaviors are automatic (like blinking), others are learned over time by watching, practicing, or being trained.Animals learn from their parents, their environment, and sometimes from trial and error. Whether a...
Mammal Overview01:26

Mammal Overview

Mammal OverviewMammals are a diverse group of vertebrates known for their unique features, such as hair or fur, mammary glands that produce milk, and being warm-blooded, which allows them to live in a wide range of environments. Mammals can be found on land, in water, and even in the air. They include species as different as whales, bats, elephants, and humans. Studying mammals helps scientists understand how these adaptations have enabled them to survive, reproduce, and care for their young in...
Importance of Mammals01:25

Importance of Mammals

Importance of MammalsMammals play essential roles in ecosystems and contribute to the planet's health. From predators that keep populations balanced to herbivores that help shape plant communities, mammals help maintain biodiversity and ecosystem stability. Some mammals, like bats, are key pollinators, while others, like elephants, spread seeds that help forests grow. Mammals also provide humans with essential resources like food, clothing, and medicine. Studying the importance of mammals helps...
Amphibians01:27

Amphibians

AmphibiansAmphibians are vertebrates that live both in water and on land during different parts of their lives. They begin life as eggs laid in water, hatch into larvae (like tadpoles), and then transform into adults through a process called metamorphosis. As adults, most amphibians develop lungs to breathe air but still need moist environments because their skin helps them absorb water and oxygen. Frogs, toads, salamanders, and newts are all examples of amphibians. These animals are important...
Instinctive Drift01:05

Instinctive Drift

Instinctive drift refers to the tendency of animals to revert to their innate behaviors despite repeated reinforcement. Breland and Breland demonstrated this concept in an experiment with a raccoon. The raccoon was trained to pick up two coins and place them in a container in exchange for food. Initially, the raccoon learned to associate the coins with food, making them a conditioned stimulus or a substitute for food. However, over time, the raccoon became less willing to put the coins into the...
274
Keystone Species01:39

Keystone Species

Measures of species biodiversity, such as richness (i.e., the number of species present) and evenness (i.e., their relative abundance), describe an ecological community’s structure. Many factors affect community structure, including abiotic factors (e.g., sunlight and nutrients), disturbances (e.g., fire or flood), species interactions (e.g., predation or competition), and chance events (e.g., foreign species invasion). Certain species—such as keystone species—also play a...
22.0K