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Sunday, 21 February 2010
Olive Sunbird and Grey Sunbird digiscoped
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Friday, 30 October 2009
African Wildlife - Cheetah
Joan of SAPhotographs is a massive fan of cheetahs, so it wasnt that hard to get her to agree to write a guest post here on Alpine Birds about these incredible animals. To accompany her words, I have added some of my favourite cheetah digiscoping photos. If you like these photos, you might like some of the other digiscoping African wildlife posts.
Cheetahs have been kept in captivity for some 5,000 years and were favoured by the early Egyptian Pharaohs and Queens. It is the only one of all the wild cats who become properly domestic and never turn on their owners.
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The average life span in captivity is 10-12 years though cheetahs can live as long as 20 years. In the wild, few survive more than 8 years though they can live up to 10 or 12 years. Cub mortality is extremely high for the species in both the wild and captivity. They are most vulnerable from 6 weeks to 4 months and in open habitat like the Serengeti plains, less than 5% reach adulthood. Predation by lions and hyenas accounts for over 70% of mortality.
Cheetahs prefer savanna and arid, open grasslands with available bushland (to hide when stalking prey) for their habitat. They prey on all sorts of mammals including gazelles, impala, wildebeest, and antelopes, and smaller prey such as hares, ground birds, and warthogs. Females prefer a solitary life unless it is mating season, and males prefer to live in groups of two to four, called "coalitions." The female gives birth to one to eight cubs after a gestation period of 90 to 95 days. The cubs depend on the mother for about three months and are very vulnerable to predators like lions and hyenas.
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In 1900, there were over 100,000 cheetahs across their historic range. Today, an estimated 9,000 to 12,000 cheetahs remain in the wild in Africa. In the early 1970’s they were listed on CITES as an endangered species however due to huge conservations efforts and breeding programs, the species have now recovered.
Thank you Joan!
Dale
Friday, 23 October 2009
Wildlife up close - cheetah
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So one of the great things about digiscoping is that one has a huge focal length to play with, so one can really get up close and personal with some pretty impressive creatures. In my time in Southern Africa, I was able to get a whole pile of close-up macro-style images of a variety of wildlife.
What I would like to do is to create a collection of the best "Wildlife up close" images but I would like you to help me out. Each post will feature a different species of African wildlife and I would like to vote for your favorite (or against your least favorite).
Please vote for your favorite, and at the end of the series, I will randomly choose a winner from each post in the series and send them the original full-sized image they chose. In two weeks I will randomly choose a winner from all those that voted in a particular post!
Sunday, 18 October 2009
Wildlife up close - wildlife fur/skin edition
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So one of the great things about digiscoping is that one has a huge focal length to play with, so one can really get up close and personal with some pretty impressive creatures. In my time in Southern Africa, I was able to get a whole pile of close-up macro-style images of a variety of wildlife.
What I would like to do is to create a collection of the best "Wildlife up close" images but I would like you to help me out. Each post will feature a different species of African wildlife and I would like to vote for your favorite (or against your least favorite).
Please vote for your favorite, and at the end of the series, I will randomly choose a winner from each post in the series and send them the original full-sized image they chose. In two weeks I will randomly choose a winner from all those that voted in a particular post!
Wednesday, 30 September 2009
Wildlife up close - primates
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If you have not seen any of the "Wildlife up close" digiscoping series, then here is a bit of an intro (from the first Cape Buffalo post):
So one of the great things about digiscoping is that one has a huge focal length to play with, so one can really get up close and personal with some pretty impressive creatures. In my time in Southern Africa, I was able to get a whole pile of close-up macro-style images of a variety of wildlife.
What I would like to do is to create a collection of the best "Wildlife up close" images but I would like you to help me out. Each post will feature a different species of African wildlife and I would like to vote for your favorite (or against your least favorite).
Please vote for your favorite, and at the end of the series, I will randomly choose a winner from each post in the series and send them the original full-sized image they chose.
Happy voting and good luck!
Dale Forbes
Friday, 25 September 2009
Wildlife up close - zebra
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So, getting back to the "Wildlife up close" digiscoping series, I have a few shots of some zebras taken near Satara camp in Kruger National Park. Winter time is the dry season in the park, and the majority of the zebras and wildebeest (gnus) move up to the Satara area because of its "sweet veld". It is not that the grass is in any way sweeter than in "sourveld", it is just that sourveld areas have a higher average rainfall (usually more than about 600mm per year). This relatively higher rainfall tends to leach the nutrients out of the soils, so although the vegetation grows really well in these areas in the wet, growing season (summer), the nutritional value of the grasses in these areas is in winter very low.
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If you have not seen any of the "Wildlife up close" digiscoping series, then here is a bit of an intro (from the first Cape Buffalo post):
So one of the great things about digiscoping is that one has a huge focal length to play with, so one can really get up close and personal with some pretty impressive creatures. In my time in Southern Africa, I was able to get a whole pile of close-up macro-style images of a variety of wildlife.
What I would like to do is to create a collection of the best "Wildlife up close" images but I would like you to help me out. Each post will feature a different species of African wildlife and I would like to vote for your favorite (or against your least favorite).
Happy voting and good luck!
Dale Forbes
Friday, 18 September 2009
Digiscoping Rhinos
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Tuesday, 15 September 2009
Digiscoping Robins
Saturday, 12 September 2009
Wildlife up close - lion
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