Showing posts with label lemurs. Show all posts
Showing posts with label lemurs. Show all posts

March 29 - Memorial Day in Madagascar

 Posted on March 29, 2021

This is an update of my post published on March 29, 2010:


This is a patriotic holiday for the island nation off the southeastern coast of Africa. It commemorates a 1947 attempt to win independence from France and the horrible response by French soldiers: a massacre of rebels and innocent bystanders. That's simply tragic. But the good news is that Madagascar did later peacefully gain independence from France and was proclaimed the Malagasy Republic in 1958. It was renamed Madagascar in 1975.

Madagascar is one of the largest islands in the world, and it has lots of very interesting plants and animals, most of which are not found elsewhere in the world.


Madagascar is pictured here in red.

See if you can figure out which of the “facts” below are ACTUAL facts (in other words, true), and which are false:


1A. Madagascar is the second largest island in the world, being smaller than only the island of Greenland.
OR
1B. Madagascar is the fourth largest island in the world, following Greenland, New Guinea, and Borneo. 
Madagascar

2A. The main reason that Madagascar's animals and plants are so different from those found elsewhere is that this island split off from Africa (or, rather, from the super-continent that existed way back then, Gondwana) about 160 million years ago, and then split off from India 80 to 100 million years ago—so there was a long period of time during which plants and animals could evolve in their separate paths from the mainland animals.
OR
2B. Madagascar's animals and plants are so diverse because the island enjoyed milder climate and warmer temperatures, brought courtesy of ocean currents, than did the continental areas. With this favorable climate, the plants and animals evolved much faster and became specialized into many different species.
Madagascar

3A. People are thought to have first come to Madagascar around 2,000 B.C., when the ocean channel that separates Madagascar from Africa disappeared, making a short-lived land bridge that people crossed on foot.
OR
3B. Scientists estimate that humans reached Madagascar between 200 and 500 A.D.; it is thought that the first settlers arrived by outrigger sailing canoes from Borneo, and that Bantu peoples crossed the Mozambique Channel by boat soon after. 


4A. The unique animals in Madagascar include koalas, rheas (these large birds, similar to ostriches, died out in the 1900s), and primates called baboons.
OR
4B. Some of the animals that are unique to Madagascar include primates called lemurs, elephant birds (which were similar to—but larger than—ostriches, but which became extinct in the 1600s), and meat-eating mammals called fossas.

 


Answers: The true facts are 1B, 2A, 3B, 4B.


1B: Madagascar is the fourth largest island in the world, following Greenland, New Guinea, and Borneo.



2A: The main reason that Madagascar's animals and plants are so different from those found elsewhere is that this island split off from Africa (or, rather, from the super-continent that existed way back then, Gondwana) about 160 million years ago, and then split off from India 80 to 100 million years ago—so there was a long period of time during which plants and animals could evolve in their separate paths from the mainland animals.





3B: Scientists estimate that humans reached Madagascar between 200 and 500 
A.D.; it is thought that the first settlers arrived by outrigger sailing canoes from Borneo, and that Bantu peoples crossed the Mozambique Channel by boat soon after.




4 B: Some of the animals that are unique to Madagascar include primates called lemurs, elephant birds (which were similar to—but larger than—ostriches, but which became extinct in the 1600s), and meat-eating mammals called fossas
.


Above and below, lemurs



Above, elephant bird (seen on left)
compared in size to the ostrich, human, 
and chicken.

Below, fossa. This mammal looks a bit
cat-like but is thought to be more closely related to
the mongoose.



Madagascar'
s bugs are unique, too!
Check out the Sunset Moth, the Madagascar Hissing Cockroach, and the Malagasy J
ewel Beetle.








Draw or paint a Sunset Moth. A time-lapse painting of this moth can be found here.


Do you like snakes?

Madagascar is home to more than 80 kinds of snakes, but none of them pose much danger to humans. (In the surrounding ocean are two poisonous sea snakes, though!)



Make a cardboard snake that shows how flexible these creatures are.


Learn about a child's life in Madagascar.

Torina is a girl who lives on Madagascar. Check out the book written about her by clicking “View Sample Pages” and then clicking “Next” in the upper right corner of each page. I bet your life is very different from Torina's!






Also on this date:


























June 26 – Madagascar's Independence Day

Posted on June 26, 2014

When I say “Madagascar,” do you think of the DreamWorks movie? Or of the real-life island off the coast of Africa?

Many biologists are studying
Madagascar's unique lifeforms
.
I think of a biological hotspot. That means a place with a lot of animal and plant diversity, and a place with a lot of unique species that don't exist anywhere else. Like other islands, Madagascar was a place where creatures could evolve in relative isolation from other places – and so 90% of its wildlife isn't found anywhere else on Earth!

If you're like me, you might wonder how the plants and animals got onto Madagascar in the first place, if it was so isolated. Well, a long, long time ago (hundreds of millions of years in the past) there were two supercontinents, Laurasia and Gondwana. They had been created when the landmass we call Pangaea broke up (we're talking continental drift, also known as plate tectonics), and Gondwana started to travel southward. Pretty much all of the land mass that is now in the Southern Hemisphere was part of Gondwana: Africa, South America, Australia, Antarctca, India, and Madagascar. So lifeforms were not isolated from each other during the Permian Period, when Pangea existed, and even through the early Jurassic Period, when Gondwana started to break apart, plants and animals weren't particularly isolated from one another. It has only been the past 88 million years or so that Madagascar was isolated from other land masses.

(Did I just say ONLY 88 million years???)

Madagascar is in red here.

But today we are not celebrating Madagascar's independence from Gondwana and other land masses. Instead, today Madagascar celebrates its independence from France in 1960. Along with the usual feasting and dancing and fireworks, the people of Madagascar enjoy presentations of Hira Gasy, which is a musical version of Malagsay folklore, with singers and dancers portraying pieces of poetry and favorite folk tales.


Lemurs and Medicines...

Because there were no monkeys or apes to compete with, lemurs flourished in Madagascar. The original species branched off into more than 103 species and sub-species of lemurs – and at least 17 species have gone extinct since humans arrived on the island!






There are three times as many palm species as there are on all the rest of Africa, and there are many other unique plant species on the island. One species has led to medicines to treat certain cancers, and scientists hope to discover other cures or treatments among the plant species found on this island only.


  • Check out this video about Madagascar's top predator. It's probably no surprise that humans are (accidentally) threatening the survival of this species...but you may be surprised just how! 
  • Here is a David Attenborough video clip. 


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