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Updates From the Field and News From Wild Nature

A Picture is Worth a Thousand Words: Giraffe Photo ID

5/14/2014

3 Comments

 
Masai giraffe, Wild Nature Institute
We are about to start another survey for giraffes in the Greater Tarangire Ecosystem as part of our Masai Giraffe Conservation Project. Scientists from the Wild Nature Institute and Dartmouth College conduct three giraffe surveys per year, just after each of the three rain seasons in Tanzania. Each survey consists of driving hundreds of kilometers and photographing every giraffe we see, and then doing it all over again one more time! The whole survey takes about a month, during which we camp in the bush at the end of each long day of searching for giraffes from sunup to sundown. It is tough, hot, often muddy, and plagued by tsetse flies, but we are privileged to be able to work on such an intimate level with the tallest and one of the most beloved animals on the planet.

Giraffe have fur patterns that are unique to each individual, much like a human fingerprint. At the end of each survey, we have at least 1,000 photographs of fur patterns to process and match with photos taken during previous surveys. We use a pattern-matching software program called WildID developed at Dartmouth College. The picture below shows the interface of the program. 


Masai giraffe pattern recognition, Wild Nature Institute
WildID, a pattern-recognition software program
We put all this information together into a database, do some statistical analyses, and ultimately estimate survival and reproduction in different parts of our study area and at different times of the year. Our objective is to understand why survival and reproduction might be higher or lower in one area or during different seasons. We will use this information to develop effective conservation measures for giraffes in the threatened Tarangire Ecosystem.
Masai giraffe, Wild Nature Institute
One of the great aspects of the Masai Giraffe Conservation Project is that we never have to capture any giraffes to identify them. The "photographic" capture method is non-traumatic for the animals and far less expensive for the researchers. We are able to track more than 1,500 individual giraffes, which would be nearly impossible if we had to capture them all, or to identify them all by eye without the aid of a computer. This is all thanks to digital photography and pattern-recognition software.
Of course, many thanks also to our funders and partners, especially Dartmouth College, Sacramento Zoological Society, Columbus Zoo, Safari West, Cleveland Zoological Society and Cleveland Metroparks Zoo, Cincinnati Zoo, the American Association of Zoo Keepers, the Explorers Club, and many private donors! We truly couldn't do the work without you!
Masai giraffe, Wild Nature Institute
3 Comments
Brendan
5/14/2014 10:39:44 am

Awesome work, wish I could be out there with you doing it. It is truly wonderful to see you employing such non-invasive photographic techniques!

Reply
Bolaji Idowu
1/6/2016 01:26:06 am

I appreciate how you intend to use the findings of your study to implement conservation measures for giraffes in this area; it is a brilliant work.

Reply
Naveed link
1/30/2022 07:20:02 am

I admire how you want to utilise the findings of your study to put conservation measures in place for giraffes in this region; it's a fantastic project.

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  • Science
    • Giraffe
    • TUNGO
    • Spotted Owl
  • Education
    • Environmental Education
    • Snag Forest
    • Forest Fire Truths
  • Action
    • Save The Giraffe
    • Corridor Campaign
    • Snag Forest
    • Forests For Everyone
  • Donate
    • Ways To Give
    • Purchase NFT
    • Adopt A Baby Giraffe
  • Blog
  • About Us
    • Monica
    • Derek
    • James
    • Veila
    • Our International Team
    • Our Tanzanian Partners