The Role of Genetics and Environment in Shaping Animal Behaviour

Ghilom Fariza^*
*Correspondence: Ghilom Fariza, Department of Veterinary Medicine, Ghent University, Ghent, Belgium, Email:

Introduction

The age-old debate of "nature and nurture" extends beyond human psychology and behavior it's equally relevant in the animal kingdom. For centuries, scientists have explored the extent to which an animal’s behavior is shaped by its genetic makeup versus the influence of its environment. Animals inherit behavioral traits from their parents, or are their actions primarily the result of experiences and environmental conditions. The answer is rarely black and white. Both genetics and environment play crucial roles in shaping how animals act, interact and adapt to the world around them. In this article, we delve into the ongoing discussion surrounding the influence of genetics and environment on animal behavior. By examining the latest research and examples from the wild and domesticated worlds, we explore how inherited traits and environmental factors work together to influence the behavior of different species. Understanding the balance between these two forces not only advances our knowledge of animal psychology but also has profound implications for conservation efforts, animal breeding and managing pets and livestock [1].

The relationship between genetics and environment in shaping animal behavior is a complex, dynamic one. Genetic influences are often seen in instinctual behaviors that are critical for survival, such as migration patterns, mating rituals and predator-prey interactions. These behaviors are typically hard-wired into an animal's DNA and are passed down through generations. For example, migratory birds follow precise routes across continents, a behavior guided by genetic programming, even though they may have never traveled those routes before. Similarly, the parenting instincts of mammals, such as the protective behaviors exhibited by lionesses or the nurturing actions of elephants toward their young, are genetically programmed and essential for the species' survival. On the other hand, environmental factors which include experiences, social interactions and environmental stimuli can significantly modify an animal’s behavior. The environment is an important teacher, shaping how an animal responds to its surroundings and interacts with other individuals. For example, a young dog raised in a social and stimulating environment may develop different behavioral traits compared to a dog raised in isolation or in a neglectful environment. Environmental conditions, such as stress, nutrition and socialization, can influence behaviors like aggression, fear responses and even intelligence [2].

Description

In some species, environmental factors can lead to phenotypic plasticity, where an animal's behavior changes in response to its surroundings without altering its genetic code. A classic example is seen in the way some animals, like rats, can exhibit more aggressive or timid behaviors based on their early life experiences environmental factors can cause changes in gene expression without altering the genetic code itself. This phenomenon is known as epigenetics, where environmental factors can influence the expression of genes related to behavior. In the realm of domesticated animals, such as dogs, cats and livestock, both genetics and environment play a major role in shaping behavior. Dogs, for instance, have been selectively bred over thousands of years for specific traits herding instincts in Border Collies, guarding behaviors in Dobermans, or companionship in Labradors. However, a dog's behavior can also be heavily influenced by how it is raised and trained. A dog raised in a loving and structured environment is likely to exhibit different behavioral patterns than one raised in a shelter or with little human interaction [3].

Wildlife behavior also demonstrates this interplay between genetics and environment. For instance, an animal’s foraging strategy may be influenced by genetic predisposition, but it is shaped and refined based on the resources available in the environment. In certain species of birds, the specific songs they sing are influenced by genetics, but the nuances of their song can be learned and altered based on environmental factors, such as exposure to other birds or changes in habitat. In terms of conservation and animal welfare, understanding how both genetics and environment shape behavior is crucial. Conservation programs that focus solely on the genetic preservation of species may overlook the role that environmental factors such as habitat quality and social structures play in maintaining natural behaviors. In captivity, the environment must also support the natural behavioral needs of animals to prevent psychological stress and behavioral disorders, which can often be seen in zoo or farmed animals raised in unnatural conditions. Ultimately, recognizing the dual influence of genetics and environment on animal behavior underscores the need for a holistic approach to animal care, conservation and management. By considering both the genetic inheritance of animals and the impact of their surroundings, we can promote better welfare, enhance behavioral outcomes and ensure that animals are able to express their full behavioral potential in both natural and human-modified environments [4,5].

Conclusion

The interplay between genetics and environment in shaping animal behavior is a delicate and intricate balance. While genetic predispositions provide the foundational instincts that guide survival, reproduction and social structure, the environment plays an equally significant role in shaping how these behaviors are expressed and adapted. Behavior is not determined by one factor alone; it is the result of a complex interaction between an animal’s genetic blueprint and the experiences it encounters throughout its life. In understanding this dynamic, we gain valuable insights into everything from animal training and breeding practices to conservation and wildlife management. For pet owners, understanding the roles of genetics and environment can help in raising well-adjusted animals, while for conservationists, knowing how environment influences behavior can inform efforts to protect endangered species in the wild. Furthermore, as we continue to explore the effects of epigenetics, we deepen our understanding of how environmental factors can influence the behavior of animals in ways that may not be immediately visible in their genetic code.

Acknowledgement

None.

Conflict of Interest

None.

References

1. Corrado, Domenico, Cristina Basso and Daniel P. Judge. “Arrhythmogenic cardiomyopathy.”Circ Res121 (2017): 784-802.

   Google Scholar, Crossref, Indexed at

2. Te Riele, Anneline SJM, Cynthia A. James and Hugh Calkins, et al. “Arrhythmogenic right ventricular cardiomyopathy in pediatric patients: an important but underrecognized clinical entity.”Front Pediatr 9 (2021): 750916.

   Google Scholar, Crossref, Indexed at

3. DeWitt, Elizabeth S., Stephanie F. Chandler, Robyn J. Hylind and Virginie Beausejour Ladouceur, et al. “Phenotypic manifestations of arrhythmogenic cardiomyopathy in children and adolescents.”J Am Coll Cardiol 74 (2019): 346-358.

   Google Scholar, Crossref, Indexed at

4. Lazzarini, Elisabetta, Jan DH Jongbloed, Kalliopi Pilichou and Gaetano Thiene, et al. “The ARVD/C genetic variants database: 2014 update.”Hum Mutat36 (2015): 403-410.

   Google Scholar, Crossref, Indexed at

5. Chua, Christianne J., Justin Morrissette-McAlmon, Leslie Tung and Kenneth R. Boheler. “Understanding arrhythmogenic cardiomyopathy: Advances through the use of human pluripotent stem cell models.”Genes14 (2023): 1864.

   Google Scholar, Crossref, Indexed at