30.08.2020 Animal of the week: Whale Shark

Hi!

It is International Whale Shark Day today, so we thought, we would do this week's animal of the week about whale sharks.

Are whale sharks, sharks or whales?

Whale sharks are not whales and they aren't a mix of whale and shark. They are sharks.

So, why are they called whale sharks if they aren't whales?

Well, they are very big. Whale sharks normally grow to a length of 5.5-10 metres. However, the largest whale shark to be accurately measured was 18.8 metres long! That is about as long as a lorry or as high as a short oak tree. Basically, whale sharks are massive.

Habitat and Diet

Whale sharks prefer warmer waters. They live in all tropical seas. Every spring, they are known to migrate to the continental shelf of the central west coast of Australia.

The whale shark is one of the three known filter-feeding shark species in the world. Like whales, they eat plankton.

Images:

Image 1: This image is owned by Lachlan Ross on pexels.com.

Image 2: This image is owned by Derek Keats on pexels.com.

Sources:
https://www.britannica.com/animal/whale-shark
https://www.worldwildlife.org/species/whale-shark

Comments

Deforestation and why it’s a problem

Hi everyone, Welcome back to another post. Today we’ll be talking about deforestation and its impacts on our earth. Deforestation, the widespread clearance of natural forests, has been happening for thousands of years. One example is Western Europe, where, two millennia ago, 80% of the land was cloaked in dense forest cover. However, over time, a significant portion of this green expanse was sacrificed to create room for crops, livestock grazing, and as a source of fuel and building materials. Presently, a mere 34% of Western Europe retains its woodland. Today, the tropics deal with the brunt of deforestation. Activities such as mining, agriculture, road construction, and the establishment of vast cattle ranches drive the mass clearance of tropical rainforests. This results in the release of huge amounts of carbon dioxide into the atmosphere, exacerbating the global climate crisis. The consequences come in two waves: first, the reduced number of...

Coral reefs

Hello! We would love to introduce you to the topic of coral reefs and especially coral reef bleaching, as it is a greatly ignored but certainly significant topic. Have fun! 5 coral reef facts 1. The Great Barrier Reef is the largest living structure on the planet and is 2300 km long! 2. Less than 0.1% of the world's ocean surface is covered in coral reefs. 3. At least 25% of all marine animals live there. 4. Coral reefs are often known as the rainforests of the ocean. 5. In 1 square kilometre of coral reef, up to 35 tons of fish can be 'produced'. The 5 biggest coral reefs in the world 1. Great Barrier Reef (near Australia) 2. Red Sea Coral Reef (near Egypt, Israel and Djibouti) 3. New Caledonia Reef (Pacific Ocean near New Caledonia) 4. The Mesoamerican Barrier Reef (near Mexico, Belize, Guatemala and Honduras) 5. Florida Reef (Atlantic Ocean/Gulf of Mexico near Florida) What is coral? Coral is actually made up of small anim...

Amazon Rainforest series - part 3: human involvement

Hi everyone, This is the last post in the amazon rainforest mini series. It's all about how humans have affected the amazon rainforest. Unfortunately, most human impact on the amazon is negative. The Amazon rainforest faces many threats, but the main one is fire. You may think that the fires in the amazon are wildfires or created by accident, but that is not true. All over the amazon, farmers are setting fire to the trees and foliage. For only one reason, to clear land for farming. But this is a disaster. Last month, the amazon rainforest reached its tipping point . Due to the fires, it is now releasing more CO2 than it is absorbing. To feed our growing population, we are killing countless species. Species, that in some cases, we haven't even discovered yet. If the amazon rainforest goes, climate change will become pretty much unstoppable. But it isn't only animals and plants that are suffering. Do you remember all those tribe...

The Climate Book by Greta Thunberg | review & thoughts

Hi Everyone! You may be aware that Wednesday was International Women's Day, so today I wanted to share a book review for a book written by one of the most inspiring women of our generation: Greta Thunberg. She is, of course, the legendary creator of the Fridays For Future movement and has inspired thousands of children to skip school on Fridays to protest for the climate. She recently compiled a book, simply entitled: The Climate Book. Here are my thoughts. This is a compilation of articles and essays from the best climate scientists, activists and high-profile people, which makes up, in my opinion, the climate bible . It quite literally encompasses everything you may want to know about the climate crisis, from the science, to how it affects us, what we've done and have yet to do, and so much more. This book is everything. I have not yet read the whole thing, because let me tell you, this book is HUGE. It's also of course very den...

The life of ... a koala

Hello everyone, Today we're talking about koalas. Also known as koala bears, koalas are marsupials. So they're actually not bears. Koalas, phascolarctos cinereus , are tree dwelling and probably best known for spending most of the day sleeping. They live for up to 15 years in the wild although captive koalas generally live for longer. Koalas have a stout, gray body and a cream-coloured chest. They have a broad face, small yellow eyes and big fluffy ears. In adaptation to climbing, their feet are strong and clawed. Adult individuals in South Australia weigh 14kg and are 60-84cm big. Their Eastern cousins are considerably smaller. Koalas are found in Eastern and Southern Australia, where they live in eucalyptus trees. They feed on the leaves of these eucalyptus trees, eating up to 1.3kg a day. With a body weight of up to 14kg, this means they eat just under 10% of their body weight every single day. However, the le...

04.10.2020 Animal of The Week: Orca

Hello everyone. This week's animal of the week is Orca. They are also known as killer whales. Habitat Orcas live all over the world. They migrate according to where their prey are. However they are more common in colder waters. Diet Orcas are at the top of the food chain and have very diverse diets, eating mainly fish but also penguins, and marine mammals such as seals, and even other whales. They hunt (and live) in groups, making them very dangerous to certain species. Dangers There are a few dangers that they face, although for now the population doesn't seem to be suffereing. Some of these are: -Hunting for entertainment as they are intelligent creatures and so appeal to people who want to test their skills. -Polluted waters can be a threat as when certain chemicals get into the orca, most likely from their prey, they can be lethal. These can get into the water by oil leaks and chemical leeches. -Prey as overfish...

How much do you know about the greenhouse gas effect? - Quiz

Welcome back to Green World! Today we have a quiz that will test your knowledge about the greenhouse gas effect and its effect on the world. Enjoy! Questions True or False? Carbon dioxide is the only greenhouse gas. Burning fossil feuls mostly emits ... a) methane b) nitrogen c) carbon dioxide True or False? One ppm (part per million) is the same ratio as one drop of water in 13 gallons of liquid. Which one of these is not a greenhouse gas? a) carbon dioxide b) nitrous oxide c) oxygen True or False? Some greenhouse gases are only in the atmosphere for a few years. Which sector has the highest greenhouse gas emissions in the US? a) Agriculture and other land use b) Electricity c) Industry True or False? 94% of global methane emissions come from human activities. Which sector has experienced the highest increase in...

Green Pets || easy house plants to get you started // best house plants for beginners

Hi Everyone! Today I wanted to talk to you about some easy house plants you could look after to get you started on your green pets journey. These are plants that are easy to look after and that I recommend for an introduction into caring for house plants. If you are a beginner or want to look after some plants, then this is the post for you! 1. Cacti - moon cactus I don't actually have a cactus, but they are the obvious place to start. They need little water and thrive in warm conditions; they are described as "low maintenance". I have done some research and it looks like the moon cactus (Gymnocalycium mihanovichii) is the best one in terms of not being too fussy with needing minimal water and tolerates lower light levels. I would like a cactus at some point, but if you are just starting out wanting to care for some house plants, then this is the one to start with! 2. Aloe Vera One of my first house plants, this is one that is rela...

Beavers and their dams: what effects do they have?

Hi everyone, Today we're talking about beavers and their effects on the surrounding ecosystems and environments. 'Beaver' referres to two species in the genus Castor . They are found in North America, Europe and Asia and are the largest rodents in those places and the second largest rodents in the world. Beavers grow up to 80 cm long with a flat, paddle-shaped tail up to 45 cm. They have a small head, large incisor teeth and fur lined lips to avoid inhaling water while cutting and transporting branches underwater. They weigh 16-30kg and are nocturnal. Beavers live in streams, rivers, marshes, ponds and lakes where they construct dams. These have earned them the title 'ecosystem engineers' but we'll talk about that later. The dams are constructed with branches, sticks and rocks. They create a calm pool with a higher water level on one side. Beavers make their homes (lodges) in these calm pools. Beaver dams are both have bot...

Veganism or vegetarianism - are they really sustainable?

Hello everyone Does veganism come with health issues? Is it sustainable? And does vegetarianism change anything? - We're going to be comparing three different diet types: veganism, vegetarianism, and a mixed diet, in multiple categories. This post is structured into the following sections: human rights health area needed animal rights greenhouse gas emissions Which diet is the best? Image and text sources Warning: There are no graphic images in this post. However, in the 'human rights' and 'animal rights' sections, there are descriptions of physical and mental abuse towards both humans and animals. Skip those sections, if you know you can't deal with that. Human rights This may seem like an unrelated topic at first, but in many industries, the rights of people in poorer countries are abused because it's cheaper for the compa...

Green World

Search This Blog