Ecuador: the North Trip Report October 2015
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Territory Size and Stability in a Sedentary Neotropical Passerine: Is Resource Partitioning a Necessary Condition?
J. Field Ornithol. 76(4):395±401, 2005 Territory size and stability in a sedentary neotropical passerine: is resource partitioning a necessary condition? Janet V. Gorrell,1 Gary Ritchison,1,3 and Eugene S. Morton2 1 Department of Biological Sciences, Eastern Kentucky University, Richmond, Kentucky 40475 USA 2 Hemlock Hill Field Station, 22318 Teepleville Flats Road, Cambridge Springs, Pennsylvania 16403 USA Received 9 April 2004; accepted 11 April 2005 ABSTRACT. Long-term pair bonds and defense of territories year-round are common among tropical passer- ines. The boundaries of these territories tend to be stable, perhaps re¯ecting the need to defend an area that, regardless of conditions, provides suf®cient food resources. If, however, these stable territories are not, even tem- porarily, suf®ciently large, then intra-pair competition for available food may result, particularly in species with no sexual size dimorphism. With such competition, sex-speci®c differences in foraging behavior may result. Male and female Dusky Antbirds (Cercomacra tyrannina) are not size dimorphic, and pairs jointly defend territories throughout the year. Our objective was to determine if paired Dusky Antbirds exhibited sex-speci®c differences in foraging behavior. Foraging antbirds were observed in central Panama from February±July 2002 to determine if pairs par- titioned food resources. Males and females exhibited no differences in foraging behavior, with individuals of both sexes foraging at similar heights and using the same foraging maneuvers (glean, probe, and sally) and substrates (leaves, rolled leaves, and woody surfaces). These results suggest that Dusky Antbirds do not partition resources and that territory switching, rather than resource partitioning, may be the means by which they gain access to additional food resources. -
Serra Dos Tucanos, Brazil 2017 BIRDS
Field Guides Tour Report Serra dos Tucanos, Brazil 2017 Oct 23, 2017 to Nov 2, 2017 Marcelo Padua For our tour description, itinerary, past triplists, dates, fees, and more, please VISIT OUR TOUR PAGE. We made quite a journey to find this bird! The Three-toed Jacamar is an Atlantic Forest endemic, and we were able to get some super looks at it. Photo by participant Ben Oko. As a tour leader, one of the most common questions I get from participants is, which "tour is my favorite?". Although this is a question with no answer as each tour is different, and I love all the tours I lead, there are certain aspects of a tour that I enjoy more than others, and this tour checks the box for most of them. It starts with the facts that the climate is mild and we usually do not face extreme temperatures, but it also has to do with the abundance of species of birds, many of which are endemic, the comfort of the lodge that offers great food and lovely rooms surrounded by great habitat, the diversity of habitats, and the fact that you get to settle in to a room for long enough to actually enjoy it and unpack your suitcase. This year's tour was a great success. We found most of the targets we set out to find, we enjoyed a good mix of people with great camaraderie, and the weather was kind to us for the most part. So even though I can't choose a favorite tour, I can say with certainty that if I ever had to choose, this would certainly be one of the top contenders. -
An Integrative Approach to Species-Level Systematics Reveals the Depth of Diversification in an Andean Thamnophilid, the Long-Tailed Antbird
The Condor 114(3):571–583 The Cooper Ornithological Society 2012 AN INTEGRATIVE APPROACH TO SPECIES-LEVEL SYSTEMATICS REVEALS THE DEPTH OF DIVERSIFICATION IN AN ANDEAN THAMNOPHILID, THE LONG-TAILED ANTBIRD MORTON L. ISLER1,3, ANDRÉS M. CUERVO2, GUSTAVO A, BRAVO2, AND RObb T. BRUMFIELD2 1Department of Vertebrate Zoology, MRC-116, National Museum of Natural History, Smithsonian Institution, P. O. Box 37012, Washington, DC 20013 2 Department of Biological Sciences and Museum of Natural Science, Louisiana State University, Baton Rouge, LA 70803 Abstract. The geographic range of the Long-tailed Antbird (Drymophila caudata) extends from the Paria Mountains of Venezuela south through the Andes to northern Bolivia, a geographic and elevational distribution unique in the antbirds (Thamnophilidae). Plumage variation among most populations is not obvious, and although eight subspecies have been described, half have been synonymized. We took a multidimensional approach to reexamining the taxonomy of the complex. We identified lineages by evaluating divergence in mtDNA, and defined study groups within them to take into account previously described plumage differences. We then assessed the taxonomic status of principal lineages and study groups by comparing vocal differences among them to established taxonomic “yardsticks” for thamnophilid antbirds. Finally, we related taxa to the ecology of the regions in which they occur. The outcomes revealed substantial diversification, sufficient for recognition of four species, three restricted to the north and one widespread along the main body of the Andes extending from northwestern Colombia south to Bolivia. Speciation in Andean Drymophila antbirds is partially associated with elevational and environmental divergence. The results provide valuable inputs to mapping and understanding avian evolution in the Andes and demonstrate the value of a multifaceted approach in solving taxonomic problems. -
Birding the Atlantic Rainforest, South-East Brazil Itororo Lodge and Regua 11Th – 20Th March 2018
BIRDING THE ATLANTIC RAINFOREST, SOUTH-EAST BRAZIL ITORORO LODGE AND REGUA 11TH – 20TH MARCH 2018 White-barred Piculet (©Andy Foster) Guided and report compiled by Andy Foster www.serradostucanos.com.br Sunday 11th March The following 10 day tour was a private trip for a group of 4 friends. We all flew in from the UK on a BA flight landing the night of the 10th and stayed in the Linx Hotel located close to the International airport in Rio de Janeiro. We met up for breakfast at 07.00 and by 08.00 our driver had arrived to take us for the 2.5 hour drive to Itororo Lodge where we were to spend our first 6 nights birding the higher elevations of the Serra do Mar Mountains. On the journey up we saw Magnificent Frigatebird, Cocoi Heron, Great White Egret, Black-crowned Night Heron, Neotropic Cormorant and Roadside Hawk. By 10.30 we had arrived at the lodge and were greeted by Bettina and Rainer who would be our hosts for the next week. The feeders were busy at the lodge and we were soon picking up new species including Azure-shouldered Tanager, Brassy-breasted Tanager, Black-goggled Tanager, Sayaca Tanager, Ruby- crowned Tanager, Golden-chevroned Tanager, Magpie Tanager, Burnished-buff Tanager, Plain Parakeet, Maroon-bellied Parakeet, Rufous-bellied Thrush, Green-winged Saltator, Pale-breasted Thrush, Violet- capped Woodnymph, Black Jacobin, Scale-throated Hermit, Sombre Hummingbird, Brazilian Ruby and White-throated Hummingbird…. not bad for the first 30 minutes! We spent the last hour or so before lunch getting to grips with the feeder birds, we also picked up brief but good views of a Black-Hawk Eagle as it flew through the lodge gardens. -
Perú: Cordillera Escalera-Loreto Perú: Cordillera Escalera-Loreto Escalera-Loreto Cordillera Perú: Instituciones Participantes/ Participating Institutions
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... .............................................................................................................................................................................................................................................................................................................................................................................................no. 26 ....................................................................................................................... 26 Perú: Cordillera Escalera-Loreto Perú: Cordillera Escalera-Loreto Instituciones participantes/ Participating Institutions The Field Museum Nature and Culture International (NCI) Federación de Comunidades Nativas Chayahuita (FECONACHA) Organización Shawi del Yanayacu y Alto Paranapura (OSHAYAAP) Municipalidad Distrital de Balsapuerto Instituto de Investigaciones de la Amazonía Peruana (IIAP) Herbario Amazonense de la Universidad Nacional de la Amazonía Peruana (AMAZ) Museo de Historia Natural de la Universidad Nacional Mayor de San Marcos Centro -
Ultimate Ecuador Tour Report 2019
This confiding Peruvian Antpitta at Guacamayos Ridge was one of the many highlights of the tour. (DLV. All photos on the report taken by DLV and Hans Nicolai) ULTIMATE ECUADOR 5 – 21 / 30 September 2019 LEADER: DANI LOPEZ-VELASCO Our Ultimate Ecuador tour concentrates on the northern part of the country and together with the Amazonia extension it offers a big bird list – usually over 800 species! We certainly had an amazing list of special birds with more than 200 Birdquest ‘diamond’ birds. The very best highlights this year included birds like Black, Berlepsch´s and White-throated Tinamous (all seen), Salvin’s and Nocturnal Curassows (both seen), Dark- backed and Rufous-fronted Wood Quails, Agami Heron, Buckley´s Forest Falcon, “San Isidro”, Crested, Colombian Screech, Napo Screech and Choco Screech Owls, Oilbird, Rufous and Andean Potoos, Swallow- tailed and Lyre-tailed Nightjars, Choco Poorwill, White-tipped Sicklebill, Fiery Topaz, Blue-headed Sapphire, Hoary Puffleg, Ecuadorian Piedtail, Choco Trogon, Purplish, Coppery-chested and Great Jacamars, Black- breasted, Chestnut-capped and White-chested Puffbirds, White-faced Nunbird, Five-coloured and Toucan 1 BirdQuest Tour Report: Ultimate Ecuador 2019 www.birdquest-tours.com Barbets, Plate-billed Mountain Toucan, Choco and Lita Woodpeckers, Rose-faced Parrot, Sapayoa, Cocha and Fulvous Antshrikes, White-streaked and Bicolored Antvireos, Black-throated, Stipple-throated (Yasuni), Foothill and Yellow-breasted Antwrens, Yellow-browed, Stub-tailed, Esmeraldas, Spotted, Ocellated and Dot-backed -
Ornithological Surveys in Serranía De Los Churumbelos, Southern Colombia
Ornithological surveys in Serranía de los Churumbelos, southern Colombia Paul G. W . Salaman, Thomas M. Donegan and Andrés M. Cuervo Cotinga 12 (1999): 29– 39 En el marco de dos expediciones biológicos y Anglo-Colombian conservation expeditions — ‘Co conservacionistas anglo-colombianas multi-taxa, s lombia ‘98’ and the ‘Colombian EBA Project’. Seven llevaron a cabo relevamientos de aves en lo Serranía study sites were investigated using non-systematic de los Churumbelos, Cauca, en julio-agosto 1988, y observations and standardised mist-netting tech julio 1999. Se estudiaron siete sitios enter en 350 y niques by the three authors, with Dan Davison and 2500 m, con 421 especes registrados. Presentamos Liliana Dávalos in 1998. Each study site was situ un resumen de los especes raros para cada sitio, ated along an altitudinal transect at c. 300- incluyendo los nuevos registros de distribución más m elevational steps, from 350–2500 m on the Ama significativos. Los resultados estabilicen firme lo zonian slope of the Serranía. Our principal aim was prioridad conservacionista de lo Serranía de los to allow comparisons to be made between sites and Churumbelos, y aluco nos encontramos trabajando with other biological groups (mammals, herptiles, junto a los autoridades ambientales locales con insects and plants), and, incorporating geographi cuiras a lo protección del marcizo. cal and anthropological information, to produce a conservation assessment of the region (full results M e th o d s in Salaman et al.4). A sizeable part of eastern During 14 July–17 August 1998 and 3–22 July 1999, Cauca — the Bota Caucana — including the 80-km- ornithological surveys were undertaken in Serranía long Serranía de los Churumbelos had never been de los Churumbelos, Department of Cauca, by two subject to faunal surveys. -
Trends in Nectar Concentration and Hummingbird Visitation
SIT Graduate Institute/SIT Study Abroad SIT Digital Collections Independent Study Project (ISP) Collection SIT Study Abroad Fall 2016 Trends in Nectar Concentration and Hummingbird Visitation: Investigating different variables in three flowers of the Ecuadorian Cloud Forest: Guzmania jaramilloi, Gasteranthus quitensis, and Besleria solanoides Sophie Wolbert SIT Study Abroad Follow this and additional works at: https://digitalcollections.sit.edu/isp_collection Part of the Animal Studies Commons, Community-Based Research Commons, Environmental Studies Commons, Latin American Studies Commons, and the Plant Biology Commons Recommended Citation Wolbert, Sophie, "Trends in Nectar Concentration and Hummingbird Visitation: Investigating different variables in three flowers of the Ecuadorian Cloud Forest: Guzmania jaramilloi, Gasteranthus quitensis, and Besleria solanoides" (2016). Independent Study Project (ISP) Collection. 2470. https://digitalcollections.sit.edu/isp_collection/2470 This Unpublished Paper is brought to you for free and open access by the SIT Study Abroad at SIT Digital Collections. It has been accepted for inclusion in Independent Study Project (ISP) Collection by an authorized administrator of SIT Digital Collections. For more information, please contact [email protected]. Wolbert 1 Trends in Nectar Concentration and Hummingbird Visitation: Investigating different variables in three flowers of the Ecuadorian Cloud Forest: Guzmania jaramilloi, Gasteranthus quitensis, and Besleria solanoides Author: Wolbert, Sophie Academic -
Ecuador: HARPY EAGLE & EAST ANDEAN FOOTHILLS EXTENSION
Tropical Birding Trip Report Ecuador: HARPY EAGLE & East Andean Foothills Extension (Jan-Feb 2021) A Tropical Birding custom extension Ecuador: HARPY EAGLE & EAST ANDEAN FOOTHILLS EXTENSION th nd 27 January - 2 February 2021 The main motivation for this custom extension was this Harpy Eagle. This was one of an unusually accessible nesting pair near the Amazonian town of Limoncocha that provided a worthy add-on to The Andes Introtour in northwest Ecuador that preceded this (Jose Illanes/Tropical Birding Tours). Guided by Jose Illanes Birds in the photos within this report are denoted in RED, all photos were taken by the Tropical Birding guide. 1 www.tropicalbirding.com +1-409-515-9110 [email protected] Tropical Birding Trip Report Ecuador: HARPY EAGLE & East Andean Foothills Extension (Jan-Feb 2021) INTRODUCTION This custom extension trip was set up for one person who simply could not get enough of Ecuador…John had just finished Ecuador: The Andes Introtour, in the northwest of the country, and also joined the High Andes Extension to that tour, which sampled the eastern highlands too. However, he was still missing vast chunks of this small country that is bursting with bird diversity. Most importantly, he was keen to get in on the latest “mega bird” in Ecuador, a very accessible Harpy Eagle nest, near a small Amazonian town, which had been hitting the local headlines and drawing the few birding tourists in the country at this time to come see it. With this in mind, TROPICAL BIRDING has been offering custom add-ons to all of our Ecuador offerings (for 2021 and 2022) to see this Harpy Eagle pair, with only three extra days needed to see it. -
ECUADOR: the ANDES INTROTOUR 18Th – 25Th June 2016 And
Tropical Birding Trip Report ECUADOR: THE ANDES: INTROTOUR June 2016 A Tropical Birding SET DEPARTURE tour ECUADOR: The ANDES INTROTOUR 18th – 25th June 2016 and HIGH ANDES EXTENSION 25th - 27th June 2016 The regular Choco Toucans at Milpe have become very accustomed to people. This is a regional endemic species confined to the Choco bioregion of northwest Ecuador and western Colombia. Tour Leader: Jose Illanes Report and all photos by Jose Illanes. 1 www.tropicalbirding.com +1-409-515-9110 [email protected] Page Tropical Birding Trip Report ECUADOR: THE ANDES: INTROTOUR June 2016 INTRODUCTION MAIN TOUR This tour has been designed as an introduction to the wonders of birding the tropics, which it does very well, but also allows us to see some regional specialties confined to this Choco bioregion, (shared with western Colombia). The tour starts at Yanacocha, a high elevation, temperate reserve, where we kicked off with Barred Fruiteater, Andean Pygmy-Owl, Hooded, Black-chested and Scarlet-bellied Mountain-Tanagers, as well as Andean Guan, Rufous Antpitta and the incredible Sword-billed Hummingbird. Later the same day, our journey to Tandayapa was interrupted by White-capped Dipper. The next day we explored the surrounds of the marvelous Tandayapa Bird Lodge. This cloudforest location is famed for hummingbirds, and after seeing 14 species in less than 10 minutes it was easy to appreciate why! Among the species preset were: Booted-Racket-tail, Western Emerald, Purple-bibbed White-tip, Violet-tailed Sylph and Purple-throated Woodstar. Other stellar birds on the lodge property included a Scaled Antpitta coming in to a worm feeder, and a nesting Beautiful Jay. -
Torpor Duration, More Than Temperature, Is Key to Hummingbird
bioRxiv preprint doi: https://doi.org/10.1101/383679; this version posted August 2, 2018. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC-ND 4.0 International license. Title: Torpor duration, more than temperature, is key to hummingbird nighttime energy savings Authors: A Shankar*1, RJ Schroeder*2,3 , SM Wethington4, CH Graham1,5, DR Powers2 * Equal and corresponding authors 1 Stony Brook University, Stony Brook, NY 11794, USA 2 George Fox University, Newberg, OR 97132, USA 3Current Address: 2721 Kingsway Dr. Homedale, ID 83628 4 Hummingbird Monitoring Network, Patagonia, Arizona 85264 USA 5 Swiss Federal Research Institute (WSL), Birmensdorf, CH-8903 Switzerland Page | 1 *Emails: [email protected]; [email protected] bioRxiv preprint doi: https://doi.org/10.1101/383679; this version posted August 2, 2018. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC-ND 4.0 International license. ABSTRACT 1. Torpor is an important energy saving strategy in small endotherms, but it has been insufficiently studied in natural field conditions. Building on what we know from laboratory studies, we compared torpor use across hummingbird species and different natural temperature regimes to explore predominant hypotheses about torpor use and evaluate the possible effects of environmental variation on energy management. 2. We found that the probability of an individual entering torpor was correlated with mass and unrelated to nighttime temperature, and that hummingbirds at both warm tropical and cooler temperate sites used torpor. -
Ecuador Birding and Photography Adventure
Ecuador Birding and Photography Adventure Tour Leaders: Edison Buenaño, Brian Zwiebel, and Rob Ripma November 28-December 12, 2021 757 Howe Drive, Carmel, IN 46032 | 317-324-8505 [email protected] | www.SabrewingNatureTours.com Join Sabrewing owners Rob Ripma and Brian Zwiebel on an exciting Ecuadorian adventure. We have long talked about running a tour with both Rob and Brian on the same trip as guides with Rob leading the birders and Brian leading the photographers. This allows couples or friends that have slightly different inter- ests to enjoy the same trip at the same lodges while still doing what they most enjoy. On this tour, we will visit both slopes of the Andes as well as dropping into the Amazon to visit the phenomenal Napo Wildlife Center. Whether you are a birder or a bird photographer, this trip is for you! Itinerary Overview: November 28: Arrival and Transfer to Hotel in Quito November 29: Zuro Loma and Yanacocha Reserve – Transfer to Septimo Paraiso November 30: Refugio de la Paz December 1: Santa Rosa Reserve and Milpe bird Sanctuary December 2: Mashpi and Oilbird Caves – Transfer to Guango Lodge December 3: Guango Lodge and Elfin Forest December 4: Birding/Photo at Guango Lodge and Transfer to Cabañas San Isidro December 5: Full Day at Cabañas San Isidro December 6: Loreto Road and Transfer to Wildsumaco December 7: Full Day at Wildsumaco December 8: Morning at Wildsumaco and Transfer with Birding to Napo Wildlife Center December 9-11: Napo Wildlife Center December 12: Return to Coca, Flight to Quito, Departarture from Quito on Overnight Flight Detailed Itinerary: November 28: Arrival and Transfer to Hotel in Quito -Overnight: San Jose de Puembo Garden Hotel November 29: Zuro Loma and Yanacocha Reserve - Transfer to Septimo Paraiso Whole Group: After breakfast, we will drive to the Zuro Loma.