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Forest Fragmentation and the Ibadan Malimbe 32
32 Forest fragmentation and the Ibadan malimbe The Ibadan malimbe is a globally distance between the two most Contact: endangered but poorly known distant occupied sites was just [email protected] forest weaver (a sparrow-like bird), 110 km. endemic to a small region of south-western Nigeria. The main factor determining the Manu SA (2001) Possible factors numbers of Ibadan malimbes in influencing the decline of Nigeria's The Ibadan malimbe was first forest patches was the local extent rarest endemic bird, the Ibadan recognised as a separate species in of forest fragmentation, with malimbe. Ostrich Supplement 1958. A handful of sightings were relatively isolated patches supporting 15: 119–121. reported during the 1960s and 1970s fewer birds. Counts of Ibadan all within 100 miles of the city of malimbes were unrelated to the area Manu SA (2002) Effects of habitat Ibadan, but a dearth of subsequent or vegetation composition of forest fragmentation on the distribution of records suggested that numbers patches. None of four commoner forest birds in south western might have declined. The widespread malimbe species were sensitive to Nigeria, with particular reference to clearance of forest for subsistence forest fragmentation. Ibadan malimbe and other malimbes. agriculture was a possible cause of D Phil thesis, University of Oxford. the apparent disappearance of Although it was encouraging to find this species. the Ibadan malimbe at 19 sites, the Manu S, Peach W and Cresswell W small range and continuing human (2005) Notes on the natural history In 1999, the RSPB funded Shiiwua pressure on remaining forest of the Ibadan malimbe, a threatened Manu to carry out a three-year study fragments make the outlook for this Nigerian endemic. -
Ten Grassfinch Tour 2014 Trip Report
Experience the Wild TEN GRASSFINCH TOUR - Trip Report Day 1 Monday 22nd September, 2014 Date: Monday, 22 September 2014 Location: East Point Reserve continued... Australian White Ibis Threskiornis molucca Forest Kingfisher Todiramphus macleayii Orange-footed Scrubfowl Megapodius reinwardt Magpie-lark Grallina cyanoleuca Shining Flycatcher Myiagra alecto Australasian Figbird Sphecotheres vieilloti Yellow Oriole Oriolus flavocinctus Bar-shouldered Dove Geopelia humeralis Peaceful Dove Geopelia striata Pied Imperial-Pigeon Ducula bicolor Rose-crowned Fruit-Dove Ptilinopus regina Rainbow Pitta Pitta iris Masked Lapwing Vanellus miles Common Greenshank Tringa nebularia Grey-tailed Tattler Tringa brevipes Whimbrel Numenius phaeopus Sunday night pre-tour dinner at Stokes Hill Wharf. Left to right - Mike Bush Stone-curlew Burhinus grallarius Jarvis (guide), Barry Venables, Phil Straw, Margaret Piefke, Brian Green-backed Gerygone Gerygone chloronota Large-billed Gerygone Gerygone magnirostris Speechley, Paddy Donkin, Donald Findlater. Phil was not a participant Grey Whistler Pachycephala simplex on the tour, Neil Brown arrived in the evening so was not at the dinner. Photo taken by Jenny Jarvis. Location: Sandy Creek Torresian Crow Corvus orru DAY 1 - DARWIN to PINE CREEK White-bellied Cuckoo-shrike Coracina papuensis White-winged Triller Lalage sueurii 7.00am Pick up from Darwin accommodation Brown Honeyeater Lichmera indistincta Rufous-throated Honeyeater Conopophila rufogularis White-gaped Honeyeater Lichenostomus unicolor We started off at East Point and walked the Monsoon White-throated Honeyeater Melithreptus albogularis Forest track looking for Rainbow Pitta and other Paperbark Flycatcher Myiagra nana monsoon forest specialists. After great views of no Red-collared Lorikeet Trichoglossus rubritorquis fewer than five Rose-crowned Fruit-doves, all had good Common Sandpiper Actitis hypoleucos views of a Rainbow Pitta. -
Grallina Cyanoleuca in This Paper I Describe an Unusual Foraging
AUSTRALIAN 238 HOBBS: Australian Magpie-lark, Feeding Method BIRD WATCHER Gyrating as a Feeding Method of the Australian Magpie-lark Grallina cyanoleuca In this paper I describe an unusual foraging behaviour observed among Australian Magpie-larks Grallina cyanoleuca at Dareton, New South Wales (July to mid August 1984) and Buronga, N.S.W. (July 1985). At Dareton at least six Magpie-larks were seen feeding in a freshly mulched strawberry patch in which many small earthworms Lumbricus sp. were present several centimetres below the surface. In an open area between the plants each Magpie-lark gyrated on a single spot, shuffling its legs quickly as it moved in a small circle. No distinctive foot movements such as kicking or stirring were noted. This action formed a saucer-like depression in the mulch about 15 em in diameter and up to 3 em deep, sufficiently deep to expose the worm layer. After five or six turns the Magpie-la:rks stopped, made a half turn in the reverse direction, and picked up any exposed worms. It is possible that some worms wriggled upwards into the depression in response to the disturbance caused by the moving feet. The gyrations were made in both clockwise and anti-clockwise directions. This behaviour continued daily until mid August by which time foliage of the strawberry plants was covering the mulch, making it inaccessible to the birds. At Buronga, I watched five Magpie-larks feeding in an irrigated pasture. Water had receded leaving a small pool about 2 em deep in a grassed depression. The Magpie-larks were walking and standing in this pool and gyrating in the same manner as observed at Dareton. -
Belize), and Distribution in Yucatan
University of Neuchâtel, Switzerland Institut of Zoology Ecology of the Black Catbird, Melanoptila glabrirostris, at Shipstern Nature Reserve (Belize), and distribution in Yucatan. J.Laesser Annick Morgenthaler May 2003 Master thesis supervised by Prof. Claude Mermod and Dr. Louis-Félix Bersier CONTENTS INTRODUCTION 1. Aim and description of the study 2. Geographic setting 2.1. Yucatan peninsula 2.2. Belize 2.3. Shipstern Nature Reserve 2.3.1. History and previous studies 2.3.2. Climate 2.3.3. Geology and soils 2.3.4. Vegetation 2.3.5. Fauna 3. The Black Catbird 3.1. Taxonomy 3.2. Description 3.3. Breeding 3.4. Ecology and biology 3.5. Distribution and threats 3.6. Current protection measures FIRST PART: BIOLOGY, HABITAT AND DENSITY AT SHIPSTERN 4. Materials and methods 4.1. Census 4.1.1. Territory mapping 4.1.2. Transect point-count 4.2. Sizing and ringing 4.3. Nest survey (from hide) 5. Results 5.1. Biology 5.1.1. Morphometry 5.1.2. Nesting 5.1.3. Diet 5.1.4. Competition and predation 5.2. Habitat use and population density 5.2.1. Population density 5.2.2. Habitat use 5.2.3. Banded individuals monitoring 5.2.4. Distribution through the Reserve 6. Discussion 6.1. Biology 6.2. Habitat use and population density SECOND PART: DISTRIBUTION AND HABITATS THROUGHOUT THE RANGE 7. Materials and methods 7.1. Data collection 7.2. Visit to others sites 8. Results 8.1. Data compilation 8.2. Visited places 8.2.1. Corozalito (south of Shipstern lagoon) 8.2.2. -
First Record of an Extinct Marabou Stork in the Neogene of South America
First record of an extinct marabou stork in the Neogene of South America JORGE IGNACIO NORIEGA and GERARDO CLADERA Noriega, J.I. and Cladera, G. 2008. First record of an extinct marabou stork in the Neogene of South America. Acta Palaeontologica Polonica 53 (4): 593–600. We describe a new large species of marabou stork, Leptoptilus patagonicus (Ciconiiformes, Ciconiidae, Leptoptilini), from the late Miocene Puerto Madryn Formation, Chubut Province, Argentina. The specimen consists mainly of wing and leg bones, pelvis, sternum, cervical vertebrae, and a few fragments of the skull. We provisionally adopt the traditional system− atic scheme of ciconiid tribes. The specimen is referred to the Leptoptilini on the basis of similarities in morphology and intramembral proportions with the extant genera Ephippiorhynchus, Jabiru,andLeptoptilos. The fossil specimen resembles in overall morphology and size the species of Leptoptilos, but also exhibits several exclusive characters of the sternum, hu− merus, carpometacarpus, tibiotarsus, and pelvis. Additionally, its wing proportions differ from those of any living taxon, providing support to erect a new species. This is the first record of the tribe Leptoptilini in the Tertiary of South America. Key words: Ciconiidae, Leptoptilos, Miocene, Argentina, South America. Jorge I. Noriega [[email protected]], Laboratorio de Paleontología de Vertebrados, CICYTTP−CONICET, Matteri y España, 3105 Diamante, Argentina; Gerardo Cladera [[email protected]], Museo Paleontológico Egidio Feruglio, Avenida Fontana 140, 9100 Trelew, Argentina. Introduction Institutional abbreviations.—BMNH, Natural History Mu− seum, London, UK; CICYTTP, Centro de Investigaciones The stork family (Ciconiidae) is a well−defined group of Científicas y Transferencia de Tecnología a la Producción, waterbirds, traditionally divided into three tribes: the Myc− Diamante, Argentina; CNAR−KB3, collections of locality 3 of teriini, the Ciconiini, and the Leptoptilini (Kahl 1971, 1972, the Kossom Bougoudi area, Centre National d’Appui à la 1979). -
Papua New Guinea Huon Peninsula Extension I 25Th to 30Th June 2019 (6 Days) Trip Report
Papua New Guinea Huon Peninsula Extension I 25th to 30th June 2019 (6 days) Trip Report Huon Astrapia by Holger Teichmann Trip report compiled by Tour Leader: Adam Walleyn Rockjumper Birding Tours www.rockjumperbirding.com Trip Report – RBL Papua New Guinea Huon Extension I 2019 2 Tour in Detail Our group met up in Port Moresby for the late morning flight to Lae’s Nadzab airport. Upon arrival, we transferred to our comfortable hotel on the outskirts of Lae city. A walk around the expansive grounds turned up some 23 species to get our lists well underway, including Orange-bellied and Pink-spotted Fruit Dove (the latter of the distinct and range-restricted plumbeicollis race), Torresian Imperial Pigeon, Eclectus Parrot, and Yellow-faced Myna, not to mention perhaps 1,000 Spectacled Flying Foxes creating quite the sight and sound! Early the next morning we were back at Nadzab airport, where a quick scan of the airfield produced some Horsfield’s Bush Larks and also excellent looks at a male Papuan Harrier that did a close flyby being bombarded by numerous Masked Lapwings! We were soon boarding our charter flight Pink-spotted Fruit Doves by Holger Teichmann over the rugged Huon mountains, although we quickly entered dense clouds and could see nothing of these impressive mountains. After some half an hour of flying through thick cloud on the plane’s GPS track, we suddenly descended and made an uphill landing at Kabwum airstrip! Our land cruiser was there, waiting for us, and after loading bags and ourselves onboard we made the bumpy drive up many switchbacks to reach the high ridge above Kabwum. -
Impact of Human Activity on Foraging Flocks and Populations of the Alpine Chough Pyrrhocorax Graculus
Avocetta N°19: 189-193 (1995) Impact of human activity on foraging flocks and populations of the alpine chough Pyrrhocorax graculus ANNE DELESTRADE Centre de Biologie des Ecosystèmes d'Altitude, Université de Pau, 64000 Pau, France. Present address: Institut d'écologie, CNRS URA 258, Université Pierre et Marie Curie, 7 qua i St Bernard, 75252 Paris, France. Abstract - The Alpine Chough Pyrrhocorax graculus is a social corvid which uses food provided by tourist activities in mountain regions (e.g. at ski stations, refuse dumps, picnic areas). In order to determine the impact ofthe human food supply on the Alpine Chough, foraging flock size and distribution were studied in a tourist region in the Northern French Alps between 1988 and 1992. Alpine Chough attendance at tourist sites was closely related to human activities. Activity rhytbrn was influenced by human presence on picnic area in summer. Relations to human activities held at a seasonal scale (such as opening of a ski station) but not at a daily time scale (such as weekend). Long term trends of Alpine Chough populations since intense tourist development at altitude are discussed with regard of flock size counts recorded at a same site before and after intense tourist development. Introduction a little studied species, and it is particularly uncertain whether Alpine Chough populations have increased Availability of food is a factor which influences the since the intense development of tourist activities in distribution and abundance of species at a range of mountains. spatial and temporal scales. Many bird species forage The aims of this study were (1) to determine whether in human related habitats (Murton and Wright 1968), the Alpine Chough adapted its foraging behaviour to and food supplied by man (e.g. -
Ghana Mega Rockfowl & Upper Guinea Specials 3 to 25 January 2016 (23 Days) Trip Report
Knox Ghana Mega Rockfowl & Upper Guinea Specials 3 to 25 January 2016 (23 days) Trip Report Akun Eagle-Owl by David Hoddinott Trip Report compiled by Tour Leader Markus Lilje RBT Knox Ghana Mega Trip Report January 2015 2 Trip Summary Our private Ghana Mega trip proved yet again to be a resounding success! We notched up a fantastic species total in 23 days, where we covered the length and breadth of the country and a great variety of habitats in this superb West African country! Our tour started off with a visit to Shai Hills. This small but fabulous reserve has a nice variety of habitats including mixed woodland, grassland, wetlands and granite outcrops and therefore supports an interesting array of bird species. During our morning exploring the reserve we recorded African Cuckoo-Hawk, Western Marsh Harrier, Red-necked Buzzard, stunning Violet Turaco, numerous immaculate Blue-bellied Roller, Vieillot’s and Double-toothed Barbets, Senegal and African Wattled Lapwings, White-shouldered Black Tit, Red- shouldered Cuckooshrike, Black-bellied Bustard, Senegal Parrot, Senegal Batis and restless Senegal Eremomela. A number of migrants were seen including Willow Warbler, Whinchat and Spotted Flycatcher. Even mammals showed well for us as we had a number of Kob, Bushbuck, Olive Baboon, Callithrix Monkey and unusually good views of Lesser Spot- Blue-bellied Roller by Markus Lilje nosed Monkey! Well pleased with our morning’s birding, we left Shai Hills and made our way to Ho. En route we stopped for lunch near the Volta Dam where we enjoyed most memorable close-up encounters with Mangrove Sunbird and Bronze- tailed Starling. -
New Birds in Africa New Birds in Africa
1 2 3 4 5 6 7 NEWNEW BIRDSBIRDS ININ AFRICAAFRICA 8 9 10 11 The last 50 years 12 13 Text by Phil Hockey 14 15 Illustrations by Martin Woodcock from Birds of Africa, vols 3 and 4, 16 reproduced with kind permission of Academic Press, and 17 David Quinn (Algerian Nuthatch) reproduced from Tits, Nuthatches & 18 Treecreepers, with kind permission of Russel Friedman Books. 19 20 New birds are still being discovered in Africa and 21 elsewhere, proof that one of the secret dreams of most birders 22 23 can still be realized. This article deals specifically with African discoveries 24 and excludes nearby Madagascar. African discoveries have ranged from the cedar forests of 25 northern Algeria, site of the discovery of the Algerian Nuthatch 26 27 (above), all the way south to the east coast of South Africa. 28 29 ome of the recent bird discoveries in Africa have come case, of their discoverer. In 1972, the late Dr Alexandre 30 Sfrom explorations of poorly-known areas, such as the Prigogine described a new species of greenbul from 31 remote highland forests of eastern Zaïre. Other new spe- Nyamupe in eastern Zaïre, which he named Andropadus 32 cies have been described by applying modern molecular hallae. The bird has never been seen or collected since and 33 techniques capable of detecting major genetic differences Prigogine himself subse- quently decided that 34 between birds that were previously thought to be races of the specimen was of a melanis- 35 the same species. The recent ‘splitting’ of the Northern tic Little Greenbul Andropadus 36 and Southern black korhaans Eupodotis afraoides/afra of virens, a species with a 37 southern Africa is one example. -
Kiwi First Aid and Veterinary Care
9. Acknowledgements Special thanks to Dr Brett Gartrell, Massey University, and Richard Jakob-Hoff, Auckland Zoo, for peer reviewing this document. Thanks also to Dr Maurice Alley, Massey University, and Kate McInnes, Department of Conservation, for their contributions. Jenny Youl and Vanessa Gray (Massey University), Trevor Kelly (The Vet Centre, Rotorua) and Claire Travers (Kiwi Encounter, Rainbow Springs, Rotorua) are acknowledged for the use of their photos. Dallas Bishop (Agresearch) and Ricardo Palma (Te Papa Tongarewa, Museum of New Zealand) confirmed the accuracy of the ectoparasites recorded from kiwi listed in Table 3. 10. References Abou-Madi, N.; Kollias, G.V. (Eds) 1992: Avian fluid therapy. Current veterinary therapy XI. W.B. Co, Philadelphia. Aguilar, R.F. 2004: The use of occlusive hydrocolloidal bandages in raptor wound management. Pp. 135–137 in: Proceedings of the Australian Committee of the Association of Avian Veterinarians, Kakadu. Andrews, J.R.H. 1977: A new species of Lyperosomum (Digenea: Dicrocoeliidae) from the North Island brown kiwi. New Zealand Journal of Zoology 4: 99–100. Bauck, L. 1994: Mycoses. Pp. 997–1006 in Ritchie, B.W.; Harrison, G.J.; Harrison, L.R. (Eds): Avian medicine: principles and application. Wingers Publishing Inc., Lake Worth, Florida. Bauck, L.; Kupersmith, D. 1991: Intraosseous fluids. Journal of the Association of Avian Veterinarians 5: 74–100. Benham, W.B. 1990: The structure of the rostellum in two new species of tapeworm, from Apteryx. Quarterly Journal of Microscopical Science 43: 83–96. Bennett, R.A. 1994: Neurology. Pp. 723–747 in Ritchie, B.W.; Harrison, G.J.; Harrison, L.R. (Eds): Avian medicine: principles and application. -
Assessing Symbiont Extinction Risk Using Cophylogenetic Data 2 3 Jorge Doña1 and Kevin P
1 Assessing symbiont extinction risk using cophylogenetic data 2 3 Jorge Doña1 and Kevin P. Johnson1 4 5 1. Illinois Natural History Survey, Prairie Research Institute, University of Illinois at Urbana-Champaign, 6 1816 S. Oak St., Champaign, IL 61820, USA 7 8 *Corresponding authors: Jorge Doña & Kevin Johnson; e-mail: [email protected] & [email protected] 9 10 Abstract: Symbionts have a unique mode of life that has attracted the attention of ecologists and 11 evolutionary biologists for centuries. As a result of this attention, these disciplines have produced 12 a mature body of literature on host-symbiont interactions. In contrast, the discipline of symbiont 13 conservation is still in a foundational stage. Here, we aim to integrate methodologies on symbiont 14 coevolutionary biology with the perspective of conservation. We focus on host-symbiont 15 cophylogenies, because they have been widely used to study symbiont diversification history and 16 contain information on symbiont extinction. However, cophylogenetic information has never been 17 used nor adapted to the perspective of conservation. Here, we propose a new statistic, 18 “cophylogenetic extinction rate” (Ec), based on coevolutionary knowledge, that uses data from 19 event-based cophylogenetic analyses, and which could be informative to assess relative symbiont 20 extinction risks. Finally, we propose potential future research to further develop estimation of 21 symbiont extinction risk from cophylogenetic analyses and continue the integration of this existing 22 knowledge of coevolutionary biology and cophylogenetics into future symbiont conservation 23 studies and practices. 24 25 Keywords: coevolution, coextinction risk, conservation biology, cophylogenies, host-symbiont 26 interactions, parasites. -
Bird Checklists of the World Country Or Region: Ghana
Avibase Page 1of 24 Col Location Date Start time Duration Distance Avibase - Bird Checklists of the World 1 Country or region: Ghana 2 Number of species: 773 3 Number of endemics: 0 4 Number of breeding endemics: 0 5 Number of globally threatened species: 26 6 Number of extinct species: 0 7 Number of introduced species: 1 8 Date last reviewed: 2019-11-10 9 10 Recommended citation: Lepage, D. 2021. Checklist of the birds of Ghana. Avibase, the world bird database. Retrieved from .https://avibase.bsc-eoc.org/checklist.jsp?lang=EN®ion=gh [26/09/2021]. Make your observations count! Submit your data to ebird.