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written by Scott Ronaldson, Lowveld /KNP Large Bird Project, Birds of Prey Working Group, Endangered Wildlife Trust. On Sunday 15th November 2009, myself, Eugene Marais (Pretoria Zoo) and Mike Harman (ex Jhb zoo now retired) set off from Skukuza, covering the far south on the 15th, overnighting at Skukza before heading further north on the 16th; overnighting at Letaba section 17th November, Mooiplaas section 18th November and then continuing on to Phalaborwa to search for, and report on, Southern Ground Hornbill nest activity.
Of the 41 nests we checked on, 12 of them were lined, 8 were inactive, 5 were cleaned out, and one the tree had fallen over. In the Malelane section, the Lukimbi / Lwakhele River Nest that was reported as fallen down by D. Jackson (171108), was very much alive with a female sitting and reluctant to fly. (We were accompanied by Lukimbi Head Ranger D. Brandt.)
In the Tshokwane section, a female is sitting on the Orpen nest, although no signs of eggs as yet. But, the Mamariwa Nest revealed a male feeding a female who was sitting on 2 eggs. The Houtboschrand Section provided a small problem in that we arrived at the New Ngotso Nest to find a number of tourists vehicles watching a leopard in a tree with a kill not far from the Ground Hornbill nest. We were reluctant to visit the nest as we would have disturbed the leopard and had some very irate tourists.
In the Letaba section we located a new nest, 100m north and 600m east of the Letaba high water bridge., and at the Mahudzi Nest, we found on our arrival the group in attendance, 2 males and a juvenile from this year (March 09) but, no female. On inspection of the nest, the female flew off to expose 2 eggs. Eggs were candled and the estimated hatching will be around 24th December. (Could be a Christmas chick!)
The Phalaborwa section had 2 active nests; Shikumba Cliff Nest had a Female sitting on nest, one can see her on the nest from the tar road. We were unable to ascertain whether there were eggs, as it is inaccessible for man unless one abseils down the cliff. The Phalaborwa Gate Nest had a female sitting on two eggs; their estimated hatching 18/19th December 2009.
At the Shimuweni Nest, (in the Mahlangene Section) on arrival, the female flew off to expose an egg and a chick of 2/3 days old. This was the nest that double clutched last year( had a very late chick that fledged in June 09.) So this female had a very short time being unmotherly.
We could unfortunately not locate the nest in the vicinity of Makhadzi picnic site (Mooiplaas section). But, Bowkerkop nest had the female sitting on an egg and one hatched chick. The Shingwedzi section also revealed a female sitting on the Shingwedzi High Water Bridge nest, being attended by 2 males and a juvenile, as too did the Shisha West nest (Vlakteplaas Section ) have a female sitting on 2 eggs.
» 6 Comments
1Comment at Wednesday, 20 January 2010 11:30
Wow, that must have been some trip... awesome :D
2Comment at Wednesday, 20 January 2010 11:55
thank you so much for posting this up!! so great to hear that so many are nesting! :-))
3Comment at Wednesday, 20 January 2010 12:21
This is very interesting indeed! Is this on par with previous breeding activity recordings?
4Comment at Thursday, 21 January 2010 17:09
Unfortunate about the fallen tree but it sounds as if the rest of the nests are doing OK. Lets hope the chicks fledge sucessfully! Thanks for the report, Scott!
5Comment at Friday, 22 January 2010 10:07
WTM, in response to your question (and one of mine) Scott replied: A search was conducted between the 23-28 Nov 08 Findings were the following. 38 nests were visited. 11 were actively breeding 10 nests were lined. 17 were inactive. You asked what candling was in your last mail. This is a method of aging the embryo of the chick. The earlier the better. The method is putting a dark cover over oneself and putting a strong torch beam under the egg. It’s amazing what one sees.
6"Re:" at Saturday, 10 July 2010 07:12
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