Wildlife & Animal Behavior – B2 English Listening Exercise

9 attic 10 echoes 11 insects 12 seeds

13 caves 14 habitat loss 15 bat boxes

16 bat detector 17 peppermint 18 fundraising event

Mark Davies: Hi everyone, my name is Mark Davies, and I’m a wildlife conservationist. I’ve come here today to talk to you about a fascinating, but often misunderstood creature: the bat. Most people develop an interest in wildlife through watching nature documentaries on television or during science lessons at school, but my fascination started right at home. When I was a teenager, I actually discovered a small bat roosting in my attic, rather than out in the garden shed where you might typically expect to find them. That single encounter sparked a lifelong passion.

There are many myths surrounding these animals. A common misconception is that bats are completely blind. They actually do have decent eyesight, but to fly around efficiently at night, they don’t rely on their vision. Instead, they depend on echoes bouncing off objects to safely navigate in the dark. It’s an incredibly precise biological system.

Bats are absolutely vital for our ecosystem. While it’s true that some species in other countries eat fruit, the ones you’ll find around here are strictly insectivores. This is fantastic news for agriculture, because they consume massive quantities of crop-destroying insects every single night. They act as a highly effective, natural pest control.

In other parts of the world, particularly in tropical rainforests, bats perform a different, yet equally critical function. You might initially think that birds are the main distributors of plant life in these regions, but bats are actually responsible for the widespread dispersal of seeds, helping to regenerate cleared sections of the rainforests faster than almost any other animal.

When the weather gets colder and food becomes scarce, bats need to hibernate to survive. While occasionally a few might choose to shelter in a quiet building or a hollow tree, they naturally prefer to spend the winter months sleeping inside undisturbed caves where the temperature remains constant throughout the freezing weather.

Sadly, bat numbers have been declining significantly in recent decades. Some people assume this is primarily due to a rise in natural predators like owls or domestic cats. However, the most significant danger they face today is actually habitat loss, as humans continue to cut down forests and develop land for housing and industry.

If you want to help support the population, you can make your own garden more welcoming for them. Planting night-scented flowers is a good start as it attracts their food source, but providing physical shelters, specifically known as bat boxes, is the best way to encourage them to roost near your home safely.

To study them properly, conservationists like myself go out on night surveys. Because we can’t hear their high-frequency calls with our own ears, I don’t use regular recording gear; instead, I take a specialized bat detector which translates their ultrasonic calls into sounds humans can clearly hear.

During one of these night surveys, I got to examine a particular species up close. I was fully expecting them to have a damp, earthy smell, but to my absolute amazement, this specific type smelled strongly of peppermint! It was a completely unexpected and pleasant surprise.

We are always looking for more people to get involved with our work. We’re not doing a training workshop just yet, but our local group is putting on a large fundraising event next month to help pay for the rehabilitation of injured bats. I hope to see some of you there. Thank you for listening.

9 cave 10 3,000 insects 11 sound waves 12 railway tunnel

13 seed dispersal 14 disease 15 wooden boxes

16 night-scented flowers 17 radio transmitters 18 natural heritage

Mark: Hello everyone, I’m Mark and I’m a wildlife biologist. Today, I’m going to talk to you about one of the most fascinating and, frankly, most misunderstood creatures on our planet: bats. I’ve been studying them for over fifteen years now. My own fascination with these animals didn’t begin at university or in a biology class, but actually during a family camping trip when I was about ten years old. While others were sitting around watching the campfire, I was completely captivated by gazing at the cave near our site, watching hundreds of bats fly out at dusk. It was a magical experience that shaped my entire career.

Many people still think of bats as frightening or dangerous, but they are incredibly beneficial to our ecosystems. A lot of farmers used to view them as an annoying nuisance, but now they realise bats act as a highly effective, natural form of pest control. Some scientists posit that bats must consume upwards of 3,000 insects per night in order to sustain themselves. When I started my research, I initially thought they might only eat a few hundred bugs, so learning they eat as many as 3,000 insects was a real shock to me! It really highlights how much we rely on them to keep mosquito populations down.

Now, because they hunt in the pitch dark, people often assume they have superhuman eyesight. While they certainly aren’t blind, they actually rely on a complex biological sonar system. You might expect them to use a keen sense of smell to find their tiny prey, but instead, they actually use high-frequency sound waves to navigate and hunt. They bounce these off objects to create a map of their surroundings.

During the day, bats obviously need a safe place to rest and hide from predators. You’ll often find them hanging in hollow trees or the roofs of old barns. However, my team recently discovered a massive, unexpected colony roosting inside an abandoned railway tunnel, which turned out to be much cooler and safer for them than the buildings they usually prefer.

Apart from eating bugs, bats are crucial for the environment in other ways. For instance, without bats, we wouldn’t have certain tropical fruits like bananas or mangoes. While birds do their part, bats are directly responsible for the seed dispersal of many plants, spreading them far wider across the rainforest canopy.

Unfortunately, bats face numerous severe threats today. While climate change and habitat loss are definitely major factors, the most devastating issue in our specific region right now is a fungal disease that has tragically wiped out entire populations over the last decade. It spreads rapidly when they are grouped closely together in winter.

To fight this, we have set up several local conservation projects. We have dedicated volunteers who do an amazing job. Initially, they just helped us with counting populations at night, but now their main task involves building wooden boxes to provide safe, clean artificial roosts where bats can breed safely.

If you want to help, you can make your own garden more bat-friendly. Instead of just putting out a water dish, which helps birds, the best thing you can do is plant night-scented flowers. These will attract the specific moths and beetles that bats love to feed on.

Looking ahead, our research aims to track their long-distance migration routes. We used to use tiny metal rings on their legs, but they often fell off or got damaged. Now, we are attaching miniature radio transmitters to their backs, which gives us highly accurate data on where they travel when the seasons change.

Ultimately, my greatest hope is to change public perception. I want people to stop associating bats with scary horror movies and start seeing them as an essential part of our natural heritage, something we must fiercely protect for future generations.