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The African Shoebill Stork, Uganda Safaris

The shoebill (Balaeniceps rex) also known as whaleheadwhale-headed stork, or shoe-billed stork, is a very large stork-like bird. It derives its name from its enormous shoe-shaped bill. It has a somewhat stork-like overall form and has previously been classified with the storks in the order Ciconiiformes based on this morphology. However, genetic evidence places it with the Pelecaniformes. The adult is mainly grey while the juveniles are browner. It lives in tropical east Africa in large swamps from Sudan to Zambia.

Taxonomy and systematics

Molecular studies have found the hamerkop to be the closest relative of the shoebill.

The shoebill was known to both ancient Egyptians and Arabs, but was not classified until the 19th century, after skins and eventually live specimens were brought to Europe. John Goulddescribed it in 1850, giving it the name Balaeniceps rex. The genus name comes from the Latinwords balaena “whale”,and caput “head”, abbreviated to -ceps in compound words.

Traditionally allied with the storks (Ciconiiformes), it was retained there in the Sibley-Ahlquist taxonomy which lumped a massive number of unrelated taxa into their “Ciconiiformes”. More recently, the shoebill has been considered to be closer to the pelicans (based on anatomical comparisons) or the herons (based on biochemical evidence; Hagey et al., 2002). Microscopic analysis of eggshell structure by Konstantin Mikhailov in 1995 found that the eggshells of shoebills closely resembled those of other Pelecaniformes in having a covering of thick microglobular material over the crystalline shells. A recent DNA study reinforces their membership of the Pelecaniformes.

So far, two fossil relatives of the shoebill have been described: Goliathia from the early Oligocene of Egypt and Paludavis from the Early Miocene of the same country. It has been suggested that the enigmatic African fossil bird Eremopezus was a relative too, but the evidence for that is unconfirmed. All that is known of Eremopezus is that it was a very large, probably flightless bird with a flexible foot, allowing it to handle either vegetation or prey.

The shoebill’s conspicuous bill is its most well-known feature.

The shoebill is a tall bird, with a typical height range of 110 to 140 cm (43 to 55 in) and some specimens reaching as much as 152 cm (60 in). Length from tail to beak can range from 100 to 140 cm (39 to 55 in) and wingspan is 230 to 260 cm (7 ft 7 in to 8 ft 6 in). Weight has reportedly ranged from 4 to 7 kg (8.8 to 15.4 lb). A male will weigh on average around 5.6 kg (12 lb) and is larger than a typical female of 4.9 kg (11 lb). The signature feature of the species is its huge, bulbous bill, which is straw-coloured with erratic greyish markings. The exposed culmen (or the measurement along the top of the upper mandible) is 18.8 to 24 cm (7.4 to 9.4 in), the third longest bill among extant birds after pelicans and large storks, and can outrival the pelicans in bill circumference, especially if the bill is considered as the hard, bony keratin portion.  The sharp edges in the mandibles help the shoebill to decapitate their prey and also to discard any vegetation after prey has been caught. As in the pelicans, the upper mandible is strongly keeled, ending in a sharp nail. The dark coloured legs are fairly long, with a tarsus length of 21.7 to 25.5 cm (8.5 to 10.0 in). The shoebill’s feet are exceptionally large, with the middle toe reaching 16.8 to 18.5 cm (6.6 to 7.3 in) in length, likely assisting the species in its ability to stand on aquatic vegetation while hunting. The neck is relatively shorter and thicker than other long-legged wading birds such as herons and cranes. The wings are broad, with a wing chord length of 58.8 to 78 cm (23.1 to 30.7 in), and well-adapted to soaring.

The skull

The plumage of adult birds is blue-grey with darker slaty-grey flight feathers. The breast presents some elongated feathers, which have dark shafts. The juvenile has a similar plumage colour, but is a darker grey with a brown tinge. When they are first born, shoebills have a more modestly-sized bill, which is initially silvery-grey. The bill becomes more noticeably large when the chicks are 23 days old and becomes well developed by 43 days.

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Customer Reviews

Ngoni Safaris Uganda

Customer Reviews

Stephany Aug 13, 2019

https://www.safaribookings.com/operator/t17733
Sedrick was unique and stood out from the rest in the high quality communication he provided since the first inquiry. He called me to provide information about the itinerary and see if I had any questions even before booking the tour. We communicated through WhatsApp for any other questions that came to mind after that call. After picking me up from the airport, he and Pilot (additional tour guide) provided plenty of information about the country to give me some context and we started our long drive to the impenetrable forest. The food was delicious with many options; the accommodation was very clean with exceptional service; and the transportation from Entebbe to Bwindi park was very comfortable (although long). As a solo female traveler, both tour guides (Sedrick and Pilot) did an exceptional job at enduring I accomplished everything intended to in Uganda, and always made me feel safe. I highly recommend to book your safari with this company because the quality and professionalism will not let you down.

Shakira Dec 14, 2018

Ngoni safaris uganda is the best tour operator in Uganda. A few weeks back we traveled to Bwindi impenetrable with sedrick to explore the beauty that is Uganda. This company took care of us . with most comfortable car , Great guide .We highly recommend it to the next travelers

Winnie Dec 19, 2018

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I was going on a gorilla safari with my friend and this was going to be the first ever safari for the both of us. Luckily, the communication with the office was super easy and we got answers to all of the questions we needed. The driver / guide (Sedrick) was very professional and funny and made our time very pleasant. Also, he had a proper knowledge of the local area close to the Mgahinga national park and he promptly spoke some 7 languages which we thought was super positive. The safari was surely the highlight of out East African trip!

Ritah Jan 2, 2019

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My Team and I did a five day trip, including Ziwa Rhino Sanctuary, Murchison Falls and Kidepo. It was truly an incredible experience. Our guide, Sedrick, was knowledgeable, skilled in driving in some challenging settings and just plain fun to hang out with for five days. The lodging was perfect, especially Savannah Lodge. The tents and beds were high quality. The views were spectacular. Meals were delicious and varied. I recommend Ngoni safaris Uganda with all my heart and soul!

Pilot May 28, 2019

https://www.safaribookings.com/operator/t17733
Our six days trip was amazing. The driver/guide had an incredible knowledge of animal and bird-life and are so interesting to talk to. His driving skills through lashing rain and massive puddles was admirable! The cooks managed to produce varied and delicious meals from the kitchen, which we ate both at accommodation or roadside when we were travelling from one place to another . At all times we felt safe and well-looked after. All in all, an incredible experience, due not only to the abundance of wildlife we were lucky enough to see, but also to the great efforts put to have our Safari a better one . The safari was full of fun. Traveling with ngoni safaris is my life time memorable experience and I highly recommend it to travellers who would love to visit uganda or EastAfrica for holidays, vacations or Adventure.. Even five stars are too small .