Galápagos Natural History Extravaganza
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Cross-Temporal Analysis of Genetic Diversity in the Endangered Medium Tree Finch (Camarhynchus Pauper) and Closely Related Darwin’S Finches
Cross-Temporal Analysis of Genetic Diversity in the Endangered Medium Tree Finch (Camarhynchus pauper) and Closely Related Darwin’s Finches By Colleen Metzger B.S., Juniata College, 2009 A thesis submitted to the Graduate School of the University of Cincinnati Department of Biological Sciences In partial fulfillment of the requirements For the degree of Master of Science Committee Chair: Kenneth Petren, Ph.D. November 2012 Abstract Natural history collections can provide a direct view of past genotypes, which allows greater insight into evolutionary processes that are relevant for conservation and management. However, few studies have used broad surveys of multilocus genotypes from the past to address the wide range of processes that can affect conservation planning of a species today. Therefore, we assessed the history and status of the critically endangered medium tree finch, Camarhynchus pauper, an endemic finch of the Galápagos Islands. Using ancient DNA techniques, we quantified cross-temporal genetic change for 16 microsatellite loci in this species and its relatives. We tested the hypothesis that C. pauper has undergone a recent reduction in population size and loss of genetic diversity, and evaluated the hypothesis that C. pauper is genetically distinct from its two closest relatives, C. parvulus and C. psittacula. We assessed whether decline in C. pauper has led to increased hybridization with other species and evaluated a long-standing hypothesis of its origin from C. psittacula on another island using genetic distances, assignment tests, and migration analyses. Genetic diversity declined significantly in C. pauper over time, and several other tree finch populations showed similar losses of genetic diversity. -
Ecuador & the Galapagos Islands
Ecuador & the Galapagos Islands - including Sacha Lodge Extension Naturetrek Tour Report 29 January – 20 February 2018 Medium Ground-finch Blue-footed Booby Wire-tailed Manakin Galapagos Penguin Green Sea Turtle Report kindly compiled by Tour participants Sally Wearing, Rowena Tye, Debbie Hardie and Sue Swift Images courtesy of David Griffiths, Sue Swift, Debbie Hardie, Jenny Tynan, Rowena Tye, Nick Blake and Sally Wearing Naturetrek Mingledown Barn Wolf’s Lane Chawton Alton Hampshire GU34 3HJ UK T: +44 (0)1962 733051 E: [email protected] W: www.naturetrek.co.uk Tour Report Ecuador & the Galapagos Islands - including Sacha Lodge Extension Tour Leader in the Galapagos: Juan Tapia with 13 Naturetrek Clients This report has kindly been compiled by tour participants Sally Wearing, Rowena Tye, Debbie Hardie and Sue Swift. Day 1 Monday 29th January UK to Quito People arrived in Quito via Amsterdam with KLM or via Madrid with Iberia, while Tony came separately from the USA. Everyone was met at the airport and taken to the Hotel Vieja Cuba; those who were awake enough went out to eat before a good night’s rest. Day 2 Tuesday 30th January Quito. Weather: Hot and mostly sunny. The early risers saw the first few birds of the trip outside the hotel: Rufous- collared Sparrow, Great Thrush and Eared Doves. After breakfast, an excellent guide took us on a bus and walking tour of Quito’s old town. This started with the Basilica del Voto Nacional, where everyone marvelled at the “grotesques” of native Ecuadorian animals such as frigatebirds, iguanas and tortoises. -
Darwin's Theory of Evolution Through Natural Selection
THE EVOLUTION OF LIFE NOTEBOOK Darwin’s Theory of Evolution Through Natural Selection OBSERVING PHENOMENA Phenomenon: Darwin found many kinds of finches with different sized and shaped beaks on the different islands of the Galápagos. 1. What questions do you have about this phenomenon? 1 - Darwin’s Voyage on the Beagle 1. What did Darwin see in South America that surprised him? 2. What was Lyell’s argument about Earth’s land features and what did it cause Darwin to question about the mountains? © Teachers’ Curriculum Institute Darwin’s Theory of Evolution Through Natural Selection 1 NOTEBOOK 2 - Darwin Visits the Galápagos Islands 1. What did many the species of animals in the Galapagos island resemble? 2. What is a trait? Give one example of a trait. 2 Darwin’s Theory of Evolution Through Natural Selection © Teachers’ Curriculum Institute NOTEBOOK INVESTIGATION 1 1. Which tool is a model for which bird’s beak? Match them below. Tools A. toothpick B. tweezers C. nail clippers D. pliers Tool Finch Large ground finch Vegetarian finch Cactus finch Woodpecker finch 2. Keep track of how many of each bird there are after each round. Station 1 Finch Before Round 1 After Round 1 After Round 2 Large ground finch 1 Vegetarian finch 1 Cactus finch 1 Woodpecker finch 1 Station 2 Finch Before Round 1 After Round 1 After Round 2 Large ground finch 1 Vegetarian finch 1 Cactus finch 1 Woodpecker finch 1 © Teachers’ Curriculum Institute Darwin’s Theory of Evolution Through Natural Selection 3 NOTEBOOK Station 3 Finch Before Round 1 After Round 1 After Round 2 Large ground finch 1 Vegetarian finch 1 Cactus finch 1 Woodpecker finch 1 Station 4 Finch Before Round 1 After Round 1 After Round 2 Large ground finch 1 Vegetarian finch 1 Cactus finch 1 Woodpecker finch 1 3. -
FIELD GUIDES BIRDING TOURS: Galapagos: an Intimate Look At
Field Guides Tour Report Galapagos: An Intimate Look at Darwin's Islands II 2014 Jul 5, 2014 to Jul 15, 2014 Megan Edwards Crewe with Peter Freire For our tour description, itinerary, past triplists, dates, fees, and more, please VISIT OUR TOUR PAGE. For those interested in natural history, the Galapagos Islands are a wonderland. Every island is a revelation. The animals -- though wild and unfettered -- are so trusting as to seem tame. Our week's cruise brought us within arm's length of Galapagos Tortoises the size of coffee tables and whip-fast lava lizards. Albatrosses snoozed in the middle of paths. Mockingbirds investigated bare toes. Boobies stomped their way through our group. "Darwin's Finches" circled as if planning to land atop heads or arms or camera lenses. And everywhere, we could settle in for extended studies of plants or birds or insects or herps or fish, secure in the knowledge that they just wouldn't care that we were there. As you might expect in such a naturalist's paradise, there were many, many highlights. Waved Albatrosses called and bowed and clattered their beaks together, or brooded small chicks (which look surprisingly poodle- The Swallow-tailed Gull is surely one of the world's most handsome seabirds. (Photo by guide Megan like, thanks to their curly feathers). Blue-footed Edwards Crewe) Boobies whistled and grunted and solemnly displayed their extraordinary feet to each other. Well-camouflaged Short-eared Owls lurked among a whirling mass of Wedge-rumped Storm-Petrels, waiting for an opportunity -- and a one-eyed hunter gobbled its hapless prey nearly at our feet. -
Galapagos Islands Fact Sheet Galapagos Islands Fact Sheet
GALAPAGOS ISLANDS FACT SHEET GALAPAGOS ISLANDS FACT SHEET INTRODUCTION The Galapagos Islands are located west of Ecuador and are renowned for being the home to a vast array of fascinating species of wildlife, including lava lizards, the giant tortoise as well as red and blue-footed boobies. They are one of the world’s foremost destinations for wildlife viewing, many of the plant and animal species being found nowhere else in the world. Located at the confluence of three ocean currents and surrounded by a marine reserve, the islands abound with marine species. The Galapagos Islands, of which there are 19 main islands, are an archipelago of volcanic islands in the Pacific Ocean. They lay either side of the Equator and 1,000km west of the South American continent and mainland Ecuador of which they are a part. The islands were formed as a result of processes caused by volcanic and seismic activity. These processes along with the isolation of the islands resulted in the development of unusual animal life. Charles Darwin’s visit to the islands in 1835 was the inspiration for his theory of evolution by natural selection. The largest island Isabela, measures 5,827 square kilometres and accounts for nearly three quarters of the total land area of the Galapagos. Volcan Wolf on Isabela is the highest point of the Galapagos at 1,707m above sea level. GALAPAGOS ISLANDS FACT SHEET CLIMATE The Galapagos Islands have a subtropical and dry climate with comfortable temperatures year-round. The warmest months are usually from December to June (high season) and this is the recommended time to visit. -
Can Darwin's Finches and Their Native Ectoparasites Survive the Control of Th
Insect Conservation and Diversity (2017) 10, 193–199 doi: 10.1111/icad.12219 FORUM & POLICY Coextinction dilemma in the Galapagos Islands: Can Darwin’s finches and their native ectoparasites survive the control of the introduced fly Philornis downsi? 1 2 MARIANA BULGARELLA and RICARDO L. PALMA 1School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand and 2Museum of New Zealand Te Papa Tongarewa, Wellington, New Zealand Abstract. 1. The survival of parasites is threatened directly by environmental alter- ation and indirectly by all the threats acting upon their hosts, facing coextinction. 2. The fate of Darwin’s finches and their native ectoparasites in the Galapagos Islands is uncertain because of an introduced avian parasitic fly, Philornis downsi, which could potentially drive them to extinction. 3. We documented all known native ectoparasites of Darwin’s finches. Thir- teen species have been found: nine feather mites, three feather lice and one nest mite. No ticks or fleas have been recorded from them yet. 4. Management options being considered to control P. downsi include the use of the insecticide permethrin in bird nests which would not only kill the invasive fly larvae but the birds’ native ectoparasites too. 5. Parasites should be targeted for conservation in a manner equal to that of their hosts. We recommend steps to consider if permethrin-treated cotton sta- tions are to be deployed in the Galapagos archipelago to manage P. downsi. Key words. Chewing lice, coextinction, Darwin’s finches, dilemma, ectoparasites, feather mites, Galapagos Islands, permethrin, Philornis downsi. Introduction species have closely associated species which are also endangered (Dunn et al., 2009). -
ITINERARY C+D 8 Days – 7 Nights
The Galapagos Islands DAY BY DAY ITINERARY C+D 8 days – 7 nights C Our Galapagos itineraries offer unforgettable experiences, with our weekly departures EAST allowing you to experience 3, 4, 7, and up to 14 nights tours including: full board, two daily + guided excursions with optional activities such as snorkeling, kayaking, dinghy rides and our new feature daily diving tours for license-holding divers. D SOUTH 8 Days / 7 Nights Sund ay: Baltra Airport pm. Charles Darwin Research Station & Fausto Llerena Breeding Center (Santa Cruz Island) Monday: GENOVESA am. Mosquera Islet Darwin Bay pm. North Seymour Island Tuesday: El Barranco, am. Santa Fe Island Prince pm. South Plaza Island Philip’s Steps Wednesday: am. Kicker Rock circumnavigation. Cerr o Colorado Tortoise Reserve (San Cristobal Island) pm. Interpretation Center & Tijeretas (San Cristobal Island). Thursday: am. Cerro Brujo (San Cristobal Island) pm. Pitt Point (San Cristobal Island ) Friday: am. Suarez Point (Española Island) Buccaneer Cove pm. Gardner Bay, Osborn or Gardner Islets (Española Island) Saturday: am. Cormorant Point, Devil’s Crown or Champion Islet (Floreana Island) pm.Post Office (Floreana Island) Sunday: am. Pit Craters (Santa Cruz) Baltra airport Pit Craters Charles Darwin Research Station Kicker Rock Champion Islet Gardner Islets DAY 1 - SUNDAY am – Baltra Airport Departure from Quito or Guayaquil to Baltra Island (2 ½-hour flight). Arriving in the Galapagos, passengers are picked up at the airport by our natural guides and taken to a ten-minute bus drive to the pier to board the M/Y Coral I or M/Y Coral II. pm – Charles Darwin Research Station & Fausto Llerena Breeding Center (Santa Cruz Island) Dry landing. -
Darwins Finches and Their Diet Niches: the Sympatric Coexistence Of
doi: 10.1111/jeb.12383 Darwin’s finches and their diet niches: the sympatric coexistence of imperfect generalists L. F. DE LEON*†,J.PODOS‡,T.GARDEZI†,A.HERREL§ &A.P.HENDRY† *Centro de Biodiversidad y Descubrimiento de Drogas, Instituto de Investigaciones Cientıficas y Servicios de Alta Tecnologıa (INDICASAT-AIP), Panama 5, Panama †Redpath Museum & Department of Biology, McGill University, Montreal, QC, Canada ‡Department of Biology, University of Massachusetts, Amherst, MA, USA §UMR 7179 C.N.R.S/M.N.H.N., Departement d’Ecologie et de Gestion de la Biodiversite, 57 rue Cuvier, Case postale 55, 75231, Paris Cedex 5, France Keywords: Abstract adaptive radiation; Adaptive radiation can be strongly influenced by interspecific competition ecological speciation; for resources, which can lead to diverse outcomes ranging from competitive Galapagos; exclusion to character displacement. In each case, sympatric species are generalist; expected to evolve into distinct ecological niches, such as different food Geospiza; types, yet this expectation is not always met when such species are exam- ground finches; ined in nature. The most common hypotheses to account for the coexistence niche partitioning; of species with substantial diet overlap rest on temporal variation in niches resource use; (often diets). Yet spatial variation in niche overlap might also be important, specialist; pointing to the need for spatiotemporal analyses of diet and diet overlap sympatry. between closely related species persisting in sympatry. We here perform such an analysis by characterizing the diets of, and diet overlap among, four sympatric Darwin’s ground finch species at three sites and over 5 years on a single Galapagos island (Santa Cruz). -
WILDLIFE CHECKLIST Reptiles the Twenty-Two Species of Galapagos
WILDLIFE CHECKLIST Reptiles The twenty-two species of Galapagos reptiles belong to five families, tortoises, marine turtles, lizards/iguanas, geckos and Clasifications snakes. Twenty of these species are endemic to the * = Endemic archipelago and many are endemic to individual islands. The Islands are well-known for their giant tortoises ever since their R = Resident discovery and play an important role in the development of Charles Darwin's theory of evolution. The name "Galapagos" M = Migrant originates from the spanish word "galapago" that means saddle. * Santa Fe land Iguana Conolophus pallidus Iguana Terrestre de Santa Fe * Giant Tortoise (11 Geochelone elephantopus Tortuga Gigante subspecies) M Pacific Green Sea Chelonia mydas Tortuga Marina Turtle * Marine Iguana * (7 Amblyrhynchus cristatus Iguana Marina subspecies) * Galapagos land Conolophus subcristatus Iguana Terrestre Iguana * Lava lizard (7 species) Tropidurus spp Lagartija de Lava Phyllodactylus * Gecko (6 species) Gecko galapagoensis * Galapagos snake (3 Culebras de Colubridae alsophis species) Galapagos Sea Birds The Galapagos archipelago is surrounded by thousands of miles of open ocean which provide seabirds with a prominent place in the fauna of the Islands . There are 19 resident species (5 are endemic), most of which are seen by visitors. There may be as many as 750,000 seabirds in Galapagos, including 30% of the world's blue-footed boobies, the world's largest red- footed booby colony and perhaps the largest concentration of masked boobies in the world (Harris, -
Galaven 8 Days Itinerary A
GALAPAGOS ITINERARY GALAVEN - 8 DAYS ITINERARY A TUESDAY - TUESDAY ISLANDS - Baltra DAY BY - Genovesa Island - Santiago Island - Santa Cruz Island - Floreana Island DAY - Española Island - San Cristobal Island DAY 1 MORNING FLIGHT FROM QUITO OR GUAYAQUIL TO BALTRA NORTH SEYMOUR ISLAND –BLACK TURTLE COVE SUMMARY Assistance at the airport by our representative for your Galapagos Explore the central and eastern flight. islands on this 8-day Galapagos You will arrive at Baltra Island in the morning. After passing through itinerary onboard the Galaven immigration and baggage claim you will be met by Galaven staff and yacht. Spot blue-footed boobies, transferred to the yacht. You will be shown to your cabin where you Audubon's shearwaters, noddy will have some time to settle in before lunch and a welcome briefing. terns and frigate birds at El In the afternoon we will visit Black Turtle Cove is situated in the Barranco and learn how northern part of Santa Cruz. This inlet is surrounded by mangroves and pahoehoe lava flows are formed is only accessible by dinghy. The shallow cove is a safe haven for at Sullivan Bay. Then get up young marine life. Black-tip and white-tip reef sharks, sea turtles, and a close to giant tortoises at the variety of rays are often spotted here. Charles Darwin Research Station DAY 2 and go snorkeling in the abundant waters of Devil’s EL BARRANCO & DARWIN BAY Crown. Genovesa Island is located at the inner part of Darwin Bay. This area contains an abundance of frigatebirds and other interesting seabirds. Behind the small beach filled with nesting areas for frigates, Red- footed Boobies, and swallow-tailed gulls are a number of tide pools. -
ITINERARY B+C 8 Days – 7 Nights
The Galapagos Islands DAY BY DAY ITINERARY B+C 8 days – 7 nights Our Galapagos itineraries offer unforgettable experiences, with our weekly departures B allowing you to experience 3, 4, 7, and up to 14 nights tours including: full board, two daily WEAST guided excursions with optional activities such as snorkeling, kayaking, dinghy rides and our new feature daily diving tours for license-holding divers. + C EAST 8 Days / 7 Nights Wednesday: Baltra Airport pm. Highlands Tortoise Reserve (Santa Cruz Island) Thursday: am. Vicente Roca Point (Isabela Island) GENOVESA pm. Espinosa Point (Fernandina Island) Darwin Bay Friday: am. Urbina Bay (Isabela Island) El Barranco, pm. Tagus Cove (Isabela Island) Prince Saturday: Philip’s Steps am. Egas Port (Santiago Island) pm. Sullivan Bay (Santiago Island) Sunday: am . Bachas Beach (Santa Cruz Island) pm. Charles Darwin Research Station & Fausto Llerena Breeding Center (Santa Cruz Island) Monday: am. Mosquera Islet pm. North Seymour Island Tuesday: am. Santa Fe Island Buccaneer Cove pm. South Plaza Island Wednesday: am. Kicker Rock circumnavigation. Cerro Colorado Tortoise Reserve (San Cristobal Island) San Cristobal Airport Pit Craters Charles Darwin Research Station Kicker Rock Champion Islet Gardner Islets DAY 1 -WEDNESDAY am – Baltra Airport Departure from Quito or Guayaquil to Baltra Island (2 ½-hour flight). Arriving in the Galapagos, passengers are picked up at the airport by our natural guides and taken to a ten-minute bus drive to the pier to board the M/Y Coral I or M/Y Coral II. pm – Highlands Tortoise Reserve (Santa Cruz Island) Dry landing. In the mountains of Galapagos is possible to admire different kinds of birds, such as tree and ground finches, vermillion flycatchers, paint-billed crakes, yellow warblers, and cattle egrets (usually standing on the tortoises’ shell). -
Galapagos Endemics Cruise: October-November 2013
Tropical Birding Trip Report Galapagos Endemics Cruise: October-November 2013 A Tropical Birding SET DEPARTURE tour Galapagos Endemics Cruise 24 October – 2 November 2013 A visit to the largest Waved Albatross colony in the world was an undoubted highlight Tropical Birding Tour leader: Jose Illanes (With Galapagos Naturalist Guide Jairo) 1 www.tropicalbirding.com +1-409-515-0514 [email protected] Page Tropical Birding Trip Report Galapagos Endemics Cruise: October-November 2013 Itinerary: Day 1 Arrival in Quito/night Quito Day 2 Quito to Baltra and Santa Cruz Day 3 Genovesa Day 4 Isabela to Bartolome Day 5 Bartolome to San Cristobal Day 6 San Cristobal to Española Day 7 Española Day 8 Floreana and Santa Cruz Day 9 North Seymour to Quito Day 10 Departure from Quito October 25: Quito to Baltra and Santa Cruz As for anybody going to the Galapagos Islands, it is perceived, correctly, as unique and amazing, and, as we were sitting on the plane, everybody’s minds were focused on getting there, and wishing they were there already! I had not been to the Galapagos for a while, and so I had my own excitement of returning to the islands myself knowing this would be a marked change from my usual tours within the jungles and rainforests of the mainland. This was to be a tour where the views of the birds were my least concern, as everything shows well. As we arrived at the main entry port to the Galapagos, the tiny island of Baltra, 2 www.tropicalbirding.com +1-409-515-0514 [email protected] Page Tropical Birding Trip Report Galapagos Endemics Cruise: October-November 2013 everyone’s eyes were glued to the window, taking in their first sights of the islands, which, for some, included their first Galapagos Doves flying by.