Namibia Birding Essentials – Tour Itinerary 13 Days (With Caprivi Strip Extension Option)
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Rock Kestrel
264 Falconidae: falcons and kestrels brooding young. Therefore the small increase in reporting rates in six of the eight Zones during winter is probably related to seasonal changes in conspicuousness, rather than to any large- scale influx of migrants from outside the region. Reporting rates for the Tarkastad district, for example, increased during winter, while direct observation showed that over half of the population actually left the area (Van Zyl 1994b). Although the models do not suggest movements within southern Africa, a more detailed analysis of Rock Kestrel movements in South Africa, largely based on a more refined examination of atlas reporting rates, suggested a northerly and easterly movement away from south- western breeding areas during winter (Van Zyl et al. 1994). Breeding: Breeding was recorded in all Zones, mainly September–January, peaking October–December. There are no obvious seasonal differences between the Zones, although in the eastern Cape Province (Zone 8) it bred slightly later than in the rest of the region. Interspecific relationships: It overlaps widely with Greater and Lesser Kestrels in southern Africa. It moves into the eastern grassland habitats most exploited by the Lesser Kestrel during the winter when that species is absent (Van Zyl et al. 1994). Historical distribution and conservation: Boshoff et al. (1983) found no difference in distribution in the Cape Prov- ince, comparing the periods 1700–1969 and 1970–79. The distrib- ution map similarly shows no change in distribution, the species being largely absent from the central Kalahari regions and the far northeast during all three time periods, although the map shows Rock Kestrel many more records from the western Karoo, presumably due to Rooivalk better coverage. -
1 Systematics and Evolution of Kestrels
Cambridge University Press 978-1-108-47062-9 — The Kestrel David Costantini , Giacomo Dell'Omo Excerpt More Information 1 Systematics and Evolution of Kestrels 1.1 Chapter Summary The family Falconidae constitutes a group of small to medium-sized diurnal raptors whose monophyly is strongly supported. Kestrels are included in the subfamily Falconinae. There are at least 13 species that belong to the kestrel group, but recent genetic studies suggest that the number of kestrel species might be larger, possibly 16. The paleontological and molecular evidence is congruent in suggesting an evolutionary radiation of kestrels from the Late Miocene (4.0–9.8 million years ago) through the Early Pleistocene. However, the geographic area where kestrels originated and dispersed from is unclear. 1.2 Diversification of Falcons The Falconidae is a monophyletic family of diurnal birds of prey that occupy a wide variety of ecological niches and geographic regions (White et al., 1994). Three subfamilies are currently recognised and their validity is supported by both molecular and morphological data (Griffiths, 1999; Griffiths et al., 2004; Fuchs et al., 2012, 2015): (i) Falconinae (falcons, falconets and kestrels), (ii) Herpetotherinae (forest falcons Micrastur sp. and laughing falcon Herpetotheres cachinnans) and (iii) Polyborinae (caracaras) (Figure 1.1). Dickinson (2003) has recognised 11 genera and 64 species of Falconidae, but figures can vary slightly across authors. Both the Herpetotherinae and the Polyborinae occur only in the New World, while the Falconinae (the subfamily to which kestrels belong) are widespread across both the New and Old World with 46 species, 40 of which belong to the genus Falco (Fuchs et al., 2015). -
NESTING of the GREATER KESTREL <I>FALCO RUPICOLOIDES</I> in ZAMBIA
NESTING OF THE GREATER KESTREL FALCO R UPICOLOIDES IN ZAMBIA by TimothyO. Osborne AlaskaDepartment of Fish and Game Box 155 Galena, Alaska 99741 and ]. F. R. Colebrook-Robjent Musumanene Box 303 Choma Zambia Abstract Breedingdata were obtainedfrom 10 pairs of Greater Kestrelsat Minyanya Plain, Zambia,during September 1975. Black Crow nestswere the only nestingplatforms uti- lized,and we concludedthat they were acquiredaggressively by the kestrel.Sixty % of the nestskestrels used had beenbuilt by crowsduring the 1975 seasonindicating a fre- quentoccurrence of nestpiracy. Incubationwas undertakenby the female which was very shyon the nest.The distancebetween nests averaged 2.3 km, slightlymore than the distancebetween all crownests. The breedingdistribution and nestingdensity of the GreaterKestrel in Zambiais directly influencedby the distributionand densityof the Black Crow. Introduction Bensonet al. (1971)summarized the distributionof the GreaterKestrel (Falco rupico- loides)in Zambiaand notedthat there were no breedingrecords. Aspinwall (1979) re- cordedthe firstnest of the speciesin Zambiawhich contained 4 fresheggs on 30 August 1974 at Mitashi Plain (13ø35'S.,22ø50'E.), western Zambezi (formerly Balovale)Dis- trict. The eggswere laid in an old nestof a BlackCrow (Corvuscapensis). The statusof the GreaterKestrel in Zambiahas been discussedbriefly in a previouspaper (Osborne and Colebrook-Robjent1980). This paperpresents breeding data on an undisturbedpop- ulationof GreaterKestrels at MinyanyaPlain, Zambia. StudyArea and Methods MinyanyaPlain (13ø09'S.,22ø23'E.) is a watershedLoudetia grassland lying between the North and South KashijiRivers in ZambeziDistrict, North-Western Province, Zambia. The plain,approximately 1150 m above sealevel, is borderedon the northby the North Kashijifloodplain; to the southand westby brokenstands of Diplorhynchuswoodland and to the eastby degradedKalahari (Baikiaea) woodland. -
NESTLING MOUTH Marklngs It '" "' of OLD WORLD FINCHES ESTLLU MIMICRY and COEVOLUTION of NESTING
NESTLING MOUTH MARklNGS It '" "' OF OLD WORLD FINCHES ESTLLU MIMICRY AND COEVOLUTION OF NESTING r - .. ;.-; 5.i A&+.FINCHES .-. '4 AND THEIR VIDUA BROOD PARASITES - . , , . :.. - i ' -, ,' $*.$$>&.--: 7 -.: ',"L dt$=%>df;$..;,4;x.;b,?b;.:, ;.:. -, ! ,I Vt .., . k., . .,.-. , .is: 8, :. BY ERT B. PAYNE MISCELLANEOUS PUBLICATIONS MUSEUM OF ZOOLOGY, UNIVERSITY OF MICHIGAN, NO. 194 Ann ntwi day, 2005 lSSN 0076-8405 PUBLICATIONS OF THE MUSEUM OF ZOOLOGY, UNIVERSITY OF MICHIGAN NO. 194 J. B. BLJR(.H,Editor JI.:NNIFERFBLMLEE, Assistcint Editor The publications of the Museum of Zoology, The University of Michigan, consist primarily of two series-the Mi.scel/aneous Pziblications and the Occa.siona1 Papers. Both series were founded by Dr. Bryant Walker, Mr. Bradshaw H. Swales, and Dr. W.W. Newcomb. Occasionally thc Museum publishes contributions outside of these series; beginning in 1990 thcsc arc titled Special Publications and arc numbered. All submitted manuscripts to any of the Museum's publications receive external review. The Occasional Papers, begun in 1913, serve as a medium for original studies based principally upon the collections in the Museum. They arc issued separately. When a sufficient number of pages has been printed to make a volume, a title page, table of contents, and an index are supplied to libraries and individuals on the mailing list for the series. The Miscellaneotls Pt~hlication.~,initiated in 1916, include monographic studies, papers on field and museum techniques, and other contributions not within the scope of the Occasional Papers, and are published separately. It is not intended that they be grouped into volurnes. Each number has a title page and, when necessary, a table of contents. -
ZIMBABWE CHECKLIST R=Rare, V=Vagrant, ?=Confirmation Required
ZIMBABWE CHECKLIST R=rare, V=vagrant, ?=confirmation required Common Ostrich Red-billed Teal Dark Chanting-goshawk Great Crested Grebe V Northern Pintail R Western Marsh-harrier Black-necked Grebe R Garganey African Marsh-harrier Little Grebe Northern Shoveler V Montagu's Harrier European Storm-petrel V Cape Shoveler Pallid Harrier Great White Pelican Southern Pochard African Harrier-hawk Pink-backed Pelican African Pygmy-goose Osprey White-breasted Cormorant Comb Duck Peregrine Falcon Reed Cormorant Spur-winged Goose Lanner Falcon African Darter Maccoa Duck Eurasian Hobby Greater Frigatebird V Secretarybird African Hobby Grey Heron Egyptian Vulture V Sooty Falcon R Black-headed Heron Hooded Vulture Taita Falcon Goliath Heron Cape Vulture Red-necked Falcon Purple Heron White-backed Vulture Red-footed Falcon Great Egret Rüppell's Vulture V Amur Falcon Little Egret Lappet-faced Vulture Rock Kestrel Yellow-billed Egret White-headed Vulture Greater Kestrel Black Heron Black Kite Lesser Kestrel Slaty Egret R Black-shouldered Kite Dickinson's Kestrel Cattle Egret African Cuckoo Hawk Coqui Francolin Squacco Heron Bat Hawk Crested Francolin Malagasy Pond-heron R European Honey-buzzard Shelley's Francolin Green-backed Heron Verreaux's Eagle Red-billed Spurfowl Rufous-bellied Heron Tawny Eagle Natal Spurfowl Black-crowned Night-heron Steppe Eagle Red-necked Spurfowl White-backed Night-heron Lesser Spotted Eagle Swainson's Spurfowl Little Bittern Wahlberg's Eagle Common Quail Dwarf Bittern Booted Eagle Harlequin Quail Eurasian Bittern V African -
The Fox Kestrel &Lpar;<I>Falco Alopex</I>&Rpar; Hovers
LETTERS j RaptorRes. 36(3):236-237 ¸ 2002 The Raptor ResearchFoundation, Inc. TH• Fox KESTREL(FALCO ALOPEX) Hovgp, s Althoughtypically considered related and similarto other kestrels(Falco spp.), the little-known,Sahel-endemic Fox Kestrel(Falco alopex) seems to exhibitsome unusual morphological traits and behaviors.Reports have been particu- larly contradictoryconcerning the hoveringability of this species.For example,"Is misnamed'kestrel' as has few kestrel-likehabits. Normally, in opencountry perches on trees,and catches prey by short swoop from perchto ground; doesnot hover.In generalbehaviour more a long-winged,long-tailed falcon than kestrel." (Brownet al. 1982,The b•rdsof Africa,Vol. 1, AcademicPress, London, U.K.), or "... long narrowpointed wings and, tbr falcon,excep- tionallylong graduatedtail givingatypical kestrel shape, more like long-tailedhobby" and "Rarely,if ever,hovers" (Ferguson-Leesand Christie2001, Raptors of the world,A&C Black,London, U.K.). Anotherdescription is "Long, broadwings and graduatedtail suggestbuoyant flight and good hoveringability" (del Hoyo,J., A. Elliott, andJ. Sargatal[EDs.]. 1994, Handbook of the birdsof the world.Vol. 2. LynxEdicions, Barcelona, Spain). A buoyant,slow fl•ght mode was previouslyhypothesized by Cade (1982, The falcons of the world, Cornell Univ. Press,Ithaca, NY, U.S.A.),who addedthat "certainlymore observationsare neededbefore one can be sureabout all of its hunting and flying characteristics." Hovering occursin distantly-relatedraptors, including in someFalconidae and someAccipitridae, certainly as a resultof convergentevolution. However, hovering has been usedas a behavioraltrait indicatingphylogeny (Boyce and White 1987,Pages 1-21 in D.M. Bird and R. Bowman[EDs.], The ancestralkestrel, J. RaptorRes. Rep. No. 6). Specifically,hovering is thought to be a derivedtrait. -
Namibia Birding and Nature Tour September 13-25, 2014 Tour Species List
P.O. Box 16545 Portal, AZ. 85632 PH: (866) 900-1146 www.caligo.com [email protected] [email protected] www.naturalistjourneys.com Naturalist Journeys: Namibia Birding and Nature Tour September 13-25, 2014 Tour Species List Dalton Gibbs of Birding Africa and Peg Abbott of Naturalist Journeys, with five participants: Andrea, Alex, Ty, Mimi, and Penny BIRDS Common Ostrich – Seen regularly in the first days of the trip in open terrain, strutting through just amazing landscapes with colorful escarpments amid seas of arid grassland. Numerous at Etosha, we could view their dominance behaviors and also some courting display, some of the males were starting to get very red necks and legs as they came into prime condition. Helmeted Guineafowl – Widespread and regularly seen throughout the journeys. The most tame were at Weltevrede where they posed on the gate, strutted about the farm and serenaded us at the end of each day. They came into the waterholes of Etosha in large groups, 20-50 at a time, vocal and jumpy, always alert. One by the roadside on the last day made this an everyday species for the trip. Red-billed Spurfowl – first seen in a wash as we approached Remhoogte Pass, coming off the escarpment onto the coastal plain on the first day from Windhoek. Widespread – seen on seven days of the trip, in all but our most arid locations. Saw some on the Dik Dik Drive of Etosha. And at the Waterberg they were abundant, at dawn their calls were deafening! Swainson’s Spurfowl – recognized by different calling, Peg spotted a family group as we entered the fort area of Namutoni in Etosha, active at the road margin. -
Ornithological Literature
Wilson Bull., 106(l), 1994, pp. 176-186 ORNITHOLOGICAL LITERATURE BIRD CENSUS TECHNIQUES. By Colin J. Bibby, Neil D. Burgess,and David A. Hill. Aca- demic Press,London, San Diego. 1992:257pp., 116 boxed figureswith commentary, 1 table. $39.95.-The purposeof this book is to familiarize the researcherwith the commonly used methods for estimating relative abundance and trends in the size of bird populations and to warn usersof the biasesin each method. This is not an exhaustive review of bird-census literature but featuresspecific examples to illustrate the methodologies,options, biases,and pitfalls. Although the introductory paragraphrefers to two important American publications on bird-census methodology (Ralph and Scott 1981, Stud. Avian Biol. 6; Vemer 1985, Current Ornithology 2:247-302) the book principally addressesa British audience;the most recent American referencesare from 1989. Most of the abundant examples in the boxed annotated illustrations are from the British literature, and the reference list includes only two foreign-languagetitles. After an introductory chapter on purposeand design in counting birds and an eight-page table with examples of the uses of each major censusmethod, there are separatechapters on censuserrors, territory mapping, transects, point counts, banding, individual species, colonial and flockingbirds, distribution (atlas)of birds, and habitat description.Each chapter concludeswith a helpful summary and list of points to be considered. I encountereda problem in the first boxed illustration. Here the authors assumethat the reader knows how to locate square02 on a hypothetical county map of magpie distribution; not even the British breeding bird atlas (Sharrock 1976) described the peculiar vertical sequencein numbering the British atlas blocks. -
Namibia and Botswana
Namibia and Botswana 8 – 23 September 2012 Guide: Steve Braine INTRODUCTION A very successful trip was undertaken before the annual migrants had arrived through Namibia and a portion of Botswana incorporating a section of the Okavango pan handle, (the area which widens out to form the impressive Okavango swamps). The trip entailed driving a total distance of 3503 km starting in the capital of Namibia, Windhoek and ending at this same destination. During the trip a total of 345 species were seen, a further five species were heard and not seen, 42 various mammals and 9 species of reptiles were also recorded. Arlan and Linda arrived at Hosea Kutako airport outside Windhoek at 12h00 on the 8 September and we then transferred to our overnight accommodation in Windhoek, the Onganga Guesthouse. The rest of the afternoon we spent around the Avis dam on the outskirts of Windhoek and thereafter we visited the Gammams sewerage works. We recorded a total of 60 species for the first day and around Avis Dam we had good views of Burnt-necked Eremomela, a soaring African White-backed Vulture, perched views of Black-winged (Black-shouldered) Kite, Rock Kestrel, Black-faced (cheeked) Waxbill, Pririt Batis, Swallow-tailed Bee-eater, Chestnut-vented Tit Babbler (Warbler), and along the shore line African Pipit, Black-winged Stilt, Blacksmith’s Plover (Lapwing), Little Egret and Three-banded and Kittlitz’s Plover. We also had very brief views of a pair of Orange-river Francolins and African Quail Finch; the former flushed from near the pathway by ourselves the latter flushed by some folks walking their dogs! When reaching our parked vehicle after our walk we had our first pair of Monteiro’s Hornbills fly by. -
Ultimate Zambia (Including Pitta) Tour
BIRDING AFRICA THE AFRICA SPECIALISTS Ultimate Zambia including Zambia Pitta 2019 Tour Report © Yann Muzika © Yann African Pitta Text by tour leader Michael Mills Photos by tour participants Yann Muzika, John Clark and Roger Holmberg SUMMARY Our first Ultimate Zambia Tour was a resounding success. It was divided into three more manageable sections, namely the North-East Extension, © John Clark © John Main Zambia Tour and Zambia Pitta Tour, each with its own delights. Birding Africa Tour Report Tour Africa Birding On the North-East Pre-Tour we started off driving We commenced the Main Zambia Tour at the Report Tour Africa Birding north from Lusaka to the Bangweulu area, where spectacular Mutinondo Wilderness. It was apparent we found good numbers of Katanga Masked that the woodland and mushitu/gallery forest birds Weaver coming into breeding plumage. Further were finishing breeding, making it hard work to Rosy-throated Longclaw north at Lake Mweru we enjoyed excellent views of track down all the key targets, but we enjoyed good Zambian Yellow Warbler (split from Papyrus Yellow views of Bar-winged Weaver and Laura's Woodland Warbler) and more Katanga Masked Weavers not Warbler and found a pair of Bohm's Flycatchers finally connected with a pair of Whyte's Francolin, Miombo Tit, Bennett's Woodpecker, Amur Falcon, yet in breeding plumage. From here we headed east feeding young. Other highlights included African which we managed to flush. From Mutinondo Cuckoo Finch, African Scops Owl, White-crested to the Mbala area we then visited the Saisi River Barred Owlet, Miombo Rock Thrush and Spotted we headed west with our ultimate destination as Helmetshrike and African Spotted Creeper. -
Successful Citizen Or Voracious Vermin? What We Know, What We Don’T Know, and What We Need to Know to Address the Pied Crow Conundrum in South Africa
Sponsored by Successful Citizen or Voracious Vermin? What we know, what we don’t know, and what we need to know to address the Pied Crow conundrum in South Africa August 2020 Review compiled for BirdLife South Africa by: Andrew Jenkins & Anthony van Zyl, AVISENSE Consulting 1 • PIED CROWS AND BIODIVERSITY Contents Summary 3 Introduction 4 Methods 4 Results & Discussion 5 Anthropogenic-related habitat transformation 5 Pied Crow biology 8 Changes in Pied Crow numbers and distribution in South Africa 9 Biodiversity impacts of Pied Crows in South Africa 10 Knowledge gaps & research questions 10 Way forward 10 Conclusion 11 Acknowledgements 11 References 12 Appendix 1 14 Appendix 2 15 Reviewed and edited by Melissa Howes-Whitecross, Kyle Walker, Hanneline Smit-Robinson and Mark Anderson. 2 • PIED CROWS AND BIODIVERSITY Cover image: Andrew Jenkins Summary irdLife South Africa receives regular enquiries from its Bmembership and the broader general public about the in- creasing spread of Pied Crows Corvus albus into new habitats in South Africa. A common perception is that this phenome- non may be both ecologically damaging and financially cost- ly and should be actively managed to mitigate these impacts. For BirdLife South Africa to develop a properly informed policy on this issue, AVISENSE Consulting was contracted to (i) compile an objective review of what is known from other areas about the expansion of corvid populations into new en- vironments, including the direct and indirect effects of such expansions on local biodiversity and the efficacy of various measures used to control or eradicate invasive crows around the world, (ii) assess what is known about Pied Crow biology, about changes in the species’ distribution in South Africa, and about the biodiversity impacts of such changes, and (iii) identify important gaps in the knowledge required to formu- late a rational, defensible, ethical and effective approach to addressing this problem (if, indeed, one is required). -
The Golden Gate Audubon Society & Namibia And
THE GOLDEN GATE AUDUBON SOCIETY & NAMIBIA AND BOTSWANA: BIRDS AND MAMMALS FROM THE DESERT TO THE OKAVANGO DELTA 10 – 22 September 2022 We hope to see Pel’s Fishing Owl in Botswana www.birdingecotours.com [email protected] This is a 13-day birding and wildlife adventure during which we sample a great variety of different habitats. We start on the coastal desert before moving inland to the rugged Namib Escarpment, then eastwards to one of Africa’s great game parks—Etosha National Park—and finally to the Panhandle of the Okavango Delta where papyrus and riparian forest line the riverbanks and islands. The habitats are extremely varied, from the Namib Desert right through to the wooded banks of the big Okavango River, and everything else in between. Starting the trip in Walvis Bay is always productive. Here, tens of thousands of Greater and Lesser Flamingos, good numbers of the tiny, attractive Chestnut-banded Plover and the diminutive Damara Tern inhabit the huge Walvis Bay Lagoon and environs. We’ll also do a morning boat trip in search of the Cape Fur Seal, the range-restricted Heaviside’s Dolphin and other marine mammals. We then spend a couple of nights looking for localized birds of the scenic Namib Escarpment (many of them restricted to northern Namibia and southern Angola). We’ll look for the charismatic White-tailed Shrike, Rockrunner with its beautiful call and looks, Damara Red- billed Hornbill, Monteiro’s Hornbill, Rosy-faced Lovebird, and Ruppell’s Korhaan. Next we head to Etosha National Park, where we spend four nights.