Behind the Collar: Understanding How Deer and Wolves Shape Ecosystems

Anna Pilska
Ph.D. stories
Published in
2 min readJan 3, 2024

In the world of wildlife research, cutting-edge technology is transforming our understanding of animal behavior and its impact on nature. Consider the magnificent deer, those large herbivores playing a vital role in the rejuvenation of our forests. However, these majestic creatures face challenges, both from human activities and the resurgence of wolves in their historical habitats.

One of the key aspects we’re delving into is how deer respond to the presence of wolves, and this knowledge is crucial for effective game management. While much attention has been given to studying wolves as predators, we’ve overlooked understanding the dynamics of red deer as prey. Deciphering this intricate predator-prey relationship is fundamental. It not only helps us estimate the potential damage wolves might inflict but also empowers us to take preventive measures. Surprisingly, we’re even exploring the possibility of utilizing wolves to help control deer populations!

Let’s visualize this with a poster that would typically be showcased at scientific conferences. This poster features sophisticated technology known as DailyDiary sensors. These devices are equipped with remarkably sensitive accelerometers, akin to the fitness trackers humans use. Imagine these sensors attached to deer, capturing their movements in conjunction with video recordings. These data then serve as the foundation for training a computer model to decipher deer behavior. The model will be put to the test using real field data gathered from wild deer. Our dataset spans periods both before and after the return of wolves to their habitats.

Our study primarily focuses on regions where wolves have re-established themselves, such as the Lužické mountains and NP Šumava. By comparing how deer behaved before and after the return of wolves, we aim to identify behavioral changes. This information is invaluable, as it equips us to enhance wildlife management practices and fortify conservation strategies.

The ultimate objective of our research is to construct a comprehensive behavioral model specifically tailored to red deer. This model will help us uncover seasonal variations in their behavior and the impact of wolves returning to their habitats. The insights gained from this study will contribute to more effective planning and implementation of wildlife and nature conservation efforts.

In essence, our research is providing a deeper understanding of how red deer respond to the reintroduction of wolves and the broader implications for the ecosystems they inhabit. This knowledge, shaped by cutting-edge technology and careful observation, is a crucial step toward fostering a harmonious coexistence between wildlife and the natural world.

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