Sofia Martinez
Plastic pollution in the ocean is a huge problem for whales and other marine life. Plastic can take hundreds or thousands of years to decompose, and during that time, whales can become entangled in it, or ingest it, causing internal injuries and death. Plastic waste pollutes every corner of the ocean, from beaches to tropical islands and polar regions, and is choking our oceans and killing wildlife.
| Characteristics | Values |
|---|---|
| Plastic ingestion | Plastic bags are often mistaken for food by whales. |
| Flexible plastic, such as bags and packaging, causes the most deaths from debris due to gastric obstructions. | |
| Marine plastic pollution damages vital ocean habitats and poses dangers to navigation and livelihoods. | |
| Whales ingest microplastics, which are plastic pieces of 5mm or less, along with their prey while filter feeding. | |
| Microplastics can break down into invisible toxic chemical compounds, which may enter the bloodstream. | |
| Plastic pollution kills an estimated 100,000 marine mammals every year. | |
| Marine plastics contribute to the death of marine species through entanglement, injury, ingestion, and toxic contamination. | |
| Large plastic items can entangle whales, leading to starvation, injury, and vulnerability to predators. | |
| Abandoned, lost, or discarded fishing gear, also known as "ghost gear," is one of the most damaging types of marine plastic pollution. | |
| Plastic debris can cause physical damage to the digestive systems of whales, leading to tears or punctures in the stomach lining. | |
| Entanglement | Whales can become entangled in plastic fishing nets and ropes, leading to surface injuries and extreme energy exertion. |
| "Ghost gear" can continue to entangle marine species, potentially decimating important food resources and endangered species. | |
| Entanglement in plastic can make it difficult for whales to swim, increasing their risk of being struck by ships or boats. | |
| Impact on the environment | Plastic pollution affects whale health, which is a critical indicator of ocean health. |
| Plastic takes hundreds to thousands of years to decompose and remains in the ocean, affecting marine ecosystems. | |
| Prevention | Reducing the use of single-use plastics and choosing reusable alternatives can help decrease plastic pollution in the ocean. |
| Proper recycling and participating in beach or community cleanups can also help address the issue of plastic pollution. |
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What You'll Learn
Whales eat plastic that looks like food
Our oceans are full of plastic, and this is very dangerous for whales and other sea creatures. Whales can eat plastic by mistake, as it can look like their food. This is called 'ingesting'.
Whales are huge animals, but they eat very small things like tiny fish called krill, or squid. They swim with their mouths open and swallow big mouthfuls of water, then push the water out through their teeth or baleen plates, and swallow the food that is left. This is called 'filter feeding'. Sometimes, there is plastic in the water, and it is the same size as the tiny animals they eat, so they swallow the plastic by accident.
The plastic that whales eat is often in very small pieces, called 'microplastics'. These are tiny pieces of plastic, smaller than 5mm, or no bigger than a few grains of sand. These are often eaten by small animals like krill, and then eaten by whales.
Sometimes, whales eat bigger pieces of plastic, like plastic bags, which can look like squid. Plastic bags are very dangerous because they can block the whale's stomach, and this can kill the whale.
Eating plastic is very harmful to whales. The plastic can get stuck in their stomachs and make them feel like they are not hungry, so they don't eat and become malnourished. It can also damage their stomachs and make them very sick. The plastic can also have chemicals on it, which can be harmful to whales.
We can help by not using as much plastic, especially single-use plastic, and making sure we recycle it properly.
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Plastic harms whales' digestive systems
Another way plastic harms whales' digestive systems is by releasing toxins. Microplastics, or plastic pieces smaller than 5mm, are often ingested by whales and can absorb and transfer toxins to the fatty tissues of the whale. These toxins can have unknown long-term effects on the whale's health. Additionally, chemicals called persistent organic pollutants (POPs) can cling to plastic in the ocean. These pollutants can enter a whale's body when plastic is ingested and be stored in its blubber.
Whales are also affected by plastic ingested by their prey. This is called bioaccumulation, where a predator's body stores pollutants from multiple prey items. As whales are at the top of the food chain, they are likely to accumulate high amounts of these chemicals. This means that even if a whale doesn't directly ingest plastic, it can still be affected by plastic pollution through the consumption of contaminated prey.
The impact of plastic on whales' digestive systems is a serious concern, and it is important to reduce plastic pollution to protect these magnificent creatures.
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Plastic can wrap around whales, hurting them
Plastic pollution in the ocean is very harmful to whales and other sea creatures. One of the ways plastic hurts whales is by wrapping around them and entangling them.
Whales are very large, powerful swimmers, but they can still get trapped in plastic. Plastic ropes, nets, and sheets can be very strong and hard to break. When whales are trapped in plastic, they may not be able to swim properly. They may also find it difficult to breathe or eat, or do other things they need to do to survive.
Plastic can also get stuck around a whale's tail, fins, or body. This can make it hard for the whale to move and hurt its skin. The plastic can cut into the whale's skin, causing injuries and infections.
Sometimes, the plastic that wraps around whales is abandoned fishing gear. This means old nets, ropes, and other equipment that fishermen don't use anymore and throw away in the ocean. This type of plastic is called "ghost gear." It can stay in the ocean for a long time and continue to trap whales and other sea creatures.
To help reduce the harm caused by plastic, we can recycle plastic items properly and avoid using single-use plastics. We can also join beach or community clean-up efforts to collect and dispose of plastic waste responsibly.
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Plastic lasts a long time and doesn't go away
Plastic is a very useful material that has helped humans in many ways. For example, it has improved healthcare and made our homes more energy-efficient. But plastic has also become a big problem for nature, including the oceans and the animals that live there, like whales.
Plastic is very strong and long-lasting, which is great when we want to use it for things like bottles and bags. But when plastic is not disposed of properly, it can end up in the ocean, where it stays for a very, very long time because it doesn't break down easily. Plastic bags can stay in the ocean for about 450 years! This is bad news for whales and other sea creatures because they can get hurt by the plastic or even eat it by mistake.
When plastic ends up in the ocean, it can float on the surface or sink to the bottom, and it doesn't go away. Even tiny pieces of plastic, called microplastics, which are smaller than 5mm, can be a big problem. These microplastics are so small that they can be eaten by small sea creatures, like krill, which are then eaten by bigger creatures, like whales. So, even though the plastic is very small, it can still build up inside the whales' bodies over time.
The plastic in the ocean can also get tangled up with whales and other sea creatures, making it hard for them to swim and causing injuries. Sometimes, the whales can't get away and they die because they are trapped in the plastic. This is why it is very important to reduce, reuse, and recycle plastic whenever we can. We can use reusable water bottles and shopping bags, and always make sure to put our plastic trash in the recycling bin. By doing these simple things, we can help keep the oceans and whales healthy!
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We can help by using less plastic
Plastic is very dangerous for whales. It can make them very sick or hurt them, and sometimes it can even kill them. Whales might eat plastic by accident, or it can get stuck on their bodies and hurt them. We can help the whales by using less plastic.
Plastic can stay in the ocean for a very long time, sometimes hundreds of years! It can be very dangerous for whales and other sea animals. We can help by using less plastic and throwing it away carefully when we do use it. We can also tell our friends and family about how plastic hurts whales and other sea animals, so they can help too.
Whales might think plastic bags are food and eat them. They also eat small animals like fish and shrimp, and these small animals might have already eaten plastic. So, the whales end up eating plastic too. We can help by not using plastic bags and other plastic things, and using bags and bottles that we can use again and again.
Sometimes, big pieces of plastic, like old fishing nets, can wrap around whales and hurt them. This is called "entanglement". It can make it hard for whales to swim and hurt their skin. We can help by making sure we don't throw plastic things in the ocean and by picking up any plastic we see on the beach.
Plastic can also hurt whales in another way. Even very small pieces of plastic, called "microplastics", can be dangerous. These are so small that we can't see them, but whales might eat a lot of them with their food. These microplastics can make whales very sick. We can help by not using plastic things as much, and using other things instead.
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Frequently asked questions
Plastic pollution is when plastic ends up in places it shouldn't be, like the ocean. Plastic pollution is very bad for the ocean and the animals that live there, including whales.
Whales can get hurt by plastic in two main ways. First, they can get tangled up in plastic things like old fishing nets and ropes. This makes it hard for them to swim and find food. Second, they can eat plastic by mistake. Plastic can make whales very sick and even kill them.
We can all help by using less plastic, especially single-use plastic like plastic bags and bottles. We should also recycle plastic things instead of throwing them away.
