From Satellites to DNA:
How do researchers
track polar bears?


You might think tracking polar bears would be all about braving the cold in a heavy parka. But guess what? It’s more like a sci-fi movie mixed with a detective story. Scientists are using some seriously cool tools—think GPS tags that talk to satellites and DNA tests that can tell one polar bear from another. Grab your virtual snow boots, and let’s go on a journey where technology meets the ice.

Polar Bear Health and Diseases Challenges

What Diseases Do Polar Bears Get?

In the icy grip of the Arctic, even the mighty polar bear isn’t immune to the silent threat of disease. Four insidious morbilliviruses—canine distemper, dolphin morbillivirus, phocine distemper, and porpoise morbillivirus—have reared their ugly heads in polar bears from Alaska and Russia. These viral wolves in sheep’s clothing lurk unseen, potentially triggering hidden battles within the bears’ bodies.

But the story doesn’t end there. Across the frozen ocean, a different tune plays on the Norwegian island of Svalbard. Here, polar bears have crossed paths with morbilliviruses and calicivirus, another infectious enemy. Yet, the true nature of these encounters remains shrouded in mystery. We don’t fully understand the viruses nor the extent of their impact on these majestic creatures.

Will these icy giants face new health challenges as the Arctic landscape undergoes dramatic transformations? Or will the unique environment of the frozen north become a fortress, shielding them from unseen threats? Only time will tell the tale of these viral battles unfolding in the heart of the polar wilderness.

Polar Bear Health: Adaptations, Disease Concerns & Challenges in the Arctic

What helps them can also harm them. Intrigued? Although physiological adaptations help polar bears thrive in the Arctic, some also pose health challenges.

  • 1. Thick Fur and Insulation:Polar bears have a dense double-layered fur coat that provides excellent insulation. But guess what? While this warm fur is essential for maintaining body heat in cold waters, it can also become a breeding ground for fungal and bacterial infections.
  • 2. Large Fat Reserves:Polar bears carry substantial fat reserves, critical for survival during fasting, but these reserves can also make them vulnerable to lipid metabolism disorders.
  • 3. Physiological Adaptations:When you live in the Arctic, you can’t be picky about your diet. Polar bear kidneys and liver have adapted to a high-fat diet, allowing them to metabolize seal blubber efficiently. However, this specialization can affect their health when food sources are scarce.
  • 4. Conservation of Energy:Polar bears have evolved to conserve energy to survive in their environment, which can lead to reduced activity levels. While this is an energy-saving strategy, it can also result in muscle atrophy if they are unable to find enough food.

Polar Bears and Disease Concerns

Although data on polar bear health status is limited due to the remoteness and inaccessibility of their habitat, some of their primary health concerns include:

  • 1. Parasites:Polar bears may carry internal and external parasites, including gastrointestinal worms and ticks. While parasites are typically in low numbers and are a natural part of their ecosystem, high parasite loads affect a bear’s health.
  • 2. Infectious Diseases:Polar bears are susceptible to various infectious diseases, such as canine distemper virus and various bacterial infections. These diseases can be introduced by contact with other animals or even humans. That’s why the increased human activity in the Arctic raises concerns about potential disease transmission.


Polar bear research is like an Arctic thriller, complete with satellite GPS tags, DNA mysteries, and the urgency of climate change. We’ve come a long way in understanding these majestic creatures, but there’s more work to do—especially as they face growing threats. You don’t have to be a scientist to make a difference; spreading awareness, supporting research, and adopting eco-friendly habits can help ensure that polar bears have a fighting chance for survival.

help us
be better

Send Us A Message

If you share our views on the mission to save polar bears, we invite you to join this important endeavor. Together, we can make a significant contribution to the conservation of this incredible species, ensuring a secure future for them in a changing world. Please support our efforts, whether through donations, spreading awareness, or participating in charitable events.

Scroll to Top