Friday, 31 October 2014

Lets Celebrate Lemur's On World Lemur Day!

Today you may be more concerned with running into a Zombie or how you are going to make that sheet look like a ghost costume. What you may not be aware of is that today is also World Lemur Day. If you are reading this and thinking "what the hell is a Lemur" well fear not, because one of my friends has decided to write me an entire guest post on...... yes you guessed it Lemurs; enjoy!

The Lemurs, by Sharon White.
Out of all the primate's the Lemur's are the most diverse. Anyone who watched the BBC's “Madagascar” would've been enthralled with the footage showing off the primates that are only found on the island. With nearly 100 known species that live in all areas and all habitats of Madagascar, Lemur's have a lot of weird and wonderful physical and behavioural adaptations. Some of the species are nocturnal, active only in the daylight or both. Their diet ranges from fruits, leaves and bamboo to nectar and insects. Their physical sizes range from the smallest of primate species' Mouse Lemurs being a tiny 1oz, to the Indri at about18lb's. Social behaviours range from solitary lifestyles, monogamous pairs and large, complex social groups. Throughout the Lemur's, female dominance is typical and is found in very few other primate species and even rarer throughout mammals.

Gray Mouse Lemur

Indri Lemur

Here's some examples of the weirdness between different Lemur species:
  • Mouse, Dwarf and Fork-marked Lemurs are known for having seasonal periods of torpor, like hibernation, especially during the dry season when food supplies decrease. As is common with hibernating species, it's common for individuals to fatten themselves up and these small primates, increase volume in their tails (a fat reserve) before going into seasonal torpor. However, this activity varies even on a population level, some individuals can go into torpor and others will not.
Fork marked/crowned Lemur

  • Dwarf Lemurs hold branches and pick objects in between their second and third fingers, which is in contrast to the other Prosimian species and more like their South American cousins.

Fat-Tailed Dwarf Lemur

  • Sportive Lemurs are the smallest folivorous primate, which is a rare diet for a nocturnal mammal. The lack of sugars in their diet has meant that Sportive Lemurs have small home-ranges and short travel distances.

Sportive Lemur

  • The Lac Alaotra Bamboo Lemur is unique, amongst all primates, as it is restricted to marshland surrounding Lake Alaotra in eastern Madagascar and live amongst the stands of reeds and papyrus. There are two sub-populations for this species and are thought to swim.

 Lac Alaotra Bamboo Lemur

There is one species of Lemur, which is my personal favourite, that have blue eyes. The Sclaters Lemur, aslo known as the Blue-Eyed Black Lemur, is the only primate other than humans to be born with blue eyes.

Female Sclaters Lemur

Lemur species are amongst the most endangered species in the world. Six species are on the top 25 most endangered primates in the world. Those species include the Red Ruffed Lemur, Blue-Eyed Black Lemur, Northern Sportive Lemur, Silky Sifaka, Madame Berthes Mouse Lemur and the Indri. All these species are very different in their shape, size, diet and habitat, but all populations are declining due to habitat loss and hunting, amongst other things. 

Silky Sifaka

Despite, the small amount of information provided here, you can see how amazing these primates are and how we really need to help protect them for future generations! To learn more about how you can help the Lemurs check out the Duke Lemur Center.

Ring Tailed Lemur

About the author: 
Sharon White is passionate about primates and wildlife in general, but she simply adores Lemurs. Sharon spends her time wither working as a photographer or with the Cheshire Wildlife Trust, passing on her passion for the natural world.
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Disclaimer:
"The views and opinions expressed in the Diary of a Primatologist blog (except guest posts) are purely my own and are not in any way linked to any organisations I may represent or work with unless otherwise stated. All photos are my own unless otherwise stated and a source will be provided where other photos are used. If they are your photos and you would like them removed please just ask. The author retains full copyright for all content and photos and written permission is required before their use. The owner of the site is not liable for any content accessed through links posted."

Picture Sources:
Gray Mouse Lemur - http://www.phocus.org/images/animals/mammals/primates/lemurs/mmu-juv-lge-0213.jpg
Indri Lemur - http://media.npr.org/assets/img/2013/02/01/indri-lemur_wide-fcf5751b5d196f15456503c6c6bdc6cf7f98a974.jpg
Fork-marked/crowned Lemur - http://naturefiles.files.wordpress.com/2010/12/1112434235_2010_10_madagascar2_239.jpg
Fat-tailed Dwarf Lemur - http://dharing.zenfolio.com/img/s1/v6/p674106315-3.jpg
Sportive Lemur - http://upload.wikimedia.org/wikipedia/commons/7/77/Lepilemur_edwardsi.jpg
Lac Alaotra Bamboo Lemur - http://3.bp.blogspot.com/-8OeKwLg_O1I/TfSyBz1dxNI/AAAAAAAALWM/PiwiUr89-O4/s640/lemur+22.jpg
Female Sclaters Lemur - http://farm9.static.flickr.com/8078/8291308573_5ec41214fe.jpg
Silky Sifaka - http://1.bp.blogspot.com/_HGR8yN2TVZc/S8YhKrmeFAI/AAAAAAAAACE/s7gwa9Yycpw/s1600/CD5294-02.jpg
Ring-Tailed Lemur - http://images.fineartamerica.com/images-medium-large/ring-tailed-lemur-lemur-catta-portrait-pete-oxford.jpg