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Avian Program September 2012 Wildlife Research Report

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Avian Program September 2012 Wildlife Research Report AVIAN PROGRAM SEPTEMBER 2012 WILDLIFE RESEARCH REPORT 1 WILDLIFE RESEARCH REPORTS SEPTEMBER 2012 AVIAN RESEARCH PROGRAM COLORADO DIVISION OF PARKS AND WILDLIFE Research Center, 317 W. Prospect, Fort Collins, CO 80526 The Wildlife Reports contained herein represent preliminary analyses and are subject to change. For this reason, information MAY NOT BE PUBLISHED OR QUOTED without permission of the Author(s). 2 STATE OF COLORADO John Hickenlooper, Governor DEPARTMENT OF NATURAL RESOURCES Mike King, Executive Director PARKS AND WILDLIFE COMMISSION Tim Glenn, Chair ................................................................................................................................ Salida Gary Butterworth, Vice Chair ........................................................................................... Colorado Springs Mark Smith, Secretary ........................................................................................................................ Center David Brougham ......................................................................................................................... Lakewoodr Chris Castilian ................................................................................................................................... Denver Dorothea Farris ........................................................................................................................... Carbondale Allan Jones ........................................................................................................................................ Meeker Bill Kane ............................................................................................................................................. Basalt Gaspar Perricone ............................................................................................................................... Denver James Pribyl ..................................................................................................................................... Boulder John Singletary................................................................................................................................ Vineland Robert Streeter .......................................................................................................................... Fort Collins Lenna Watson ...................................................................................................................... Grand Junction Dean Wingfield .................................................................................................................................. Vernon Mike King, Executive Director, Ex-officio ........................................................................................ Denver John Salazar, Department of Agriculture, Ex-officio .................................................................... Lakewood DIRECTOR’S LEADERSHIP TEAM Rick Cables, Director Ken Brink, Steve Cassin, Heather Dugan, Marilyn Gallegos Ramirez, John Geerdes, Craig McLaughlin (acting), Kurt Mill, Dan Prenzlow, Tom Speeze, Gary Thorson, Ron Velarde, Jeff Ver Steeg, Steve Yamashita AVIAN RESEARCH STAFF James H. Gammonley, Research Leader Anthony D. Apa, Wildlife Researcher Victoria J. Dreitz, Wildlife Researcher Danielle B. Johnston, Habitat Researcher Michael L. Phillips, Wildlife Researcher Mindy B. Rice, Spatial Ecologist Jonathon P. Runge, Wildlife Researcher Brett L. Walker, Wildlife Researcher Elizabeth L. Olton, Program Assistant 3 Colorado Division of Parks and Wildlife September 2011 – September 2012 TABLE OF CONTENTS AVIAN WILDLIFE RESEARCH REPORTS GUNNSION SAGE-GROUSE CONSERVATION WP 0659 DEMOGRAPHY AND DISPERSAL OF GUNNISON SAGE-GROUSE (Centrocercus minimus) by M. L. Phillips……………………………………………….1 WP 0659 GUNNISON SAGE-GROUSE CAPTIVE-REARING by A. D. Apa, M. L. Phillips, and L.Wiechman……………………………………………………….. 19 WP 0659 BASELINE HABITAT MONITORING FOR GUNNISON SAGE-GROUSE IN THE GUNNISON BASIN, COLORADO by J. H. Gammonley…………………… 21 GREATER SAGE-GROUSE CONSERVATION WP 0660 GREATER SAGE-GROUSE NATAL DISPERSAL AND BROOD AUGMENTATION WITH CAPTIVE-REARED CHICKS by A. D. Apa......................22 WP 0660 MODELING THE PROBABILITY OF GREATER SAGE-GROUSE PRESENCE ACROSS ITS DISTRIBUTION IN COLORADO by M. B. Rice……….. 29 WP 0660 GREATER SAGE-GROUSE SEASONAL HABITAT USE AND DEMOGRAPHICS IN NORTH PARK by A. D. Apa, L. Rossi, and M. B. Rice..……..57 WP 0660 USING GPS SATELLITE TRANSMITTERS TO ESTIMATE SURVIVAL, DETECTABILITY ON LEKS, LEK ATTENDANCE, INTER-LEK MOVEMENTS, AND BREEDING SEASON HABITAT USE OF MALE GREATER SAGE-GROUSE IN NORTHWESTERN COLORADO by B. L. Walker ………………………………………..……………………………….68 WP 0660 ASSESSMENT OF GREATER SAGE-GROUSE RESPONSE TO PINYON-JUNIPER REMOVAL IN THE PARACHUTE-PICEANCE-ROAN POPULATION OF NORTHWESTERN COLORADO by B. L. Walker……………………….…………………………………………………95 WP 0660 EVALUATION OF ALTERNATIVE POPULATION MONITORING STRATEGIES FOR GREATER SAGE-GROUSE (Centrocercus urophasianus) IN THE PARACHUTE-PICEANCE-ROAN POPULATION OF NORTHWESTERN COLORADO by B. L. Walker……………………….………………………………………………..118 WILDLIFE HABITAT CONSERVATION WP 0663 RESTORING ENERGY FIELDS FOR WILDLIFE by D. B. Johnston………………133 4 WP 0663 EXAMINING THE EFFECTIVENESS OF MECHANICAL TREATMENTS AS A RESTORATION TECHNIQUE FOR MULE DEER HABITAT by D. B. Johnston……………………………………………………………………..195 MOUNTAIN PLOVER CONSERVATION WP 0665 USING RANGEWIDE INFORMATION ON CHICK SURVIVAL ON MOUNTAIN PLOVERS (Charadrius montanus) TO INFORM MANAGEMENT STRATEGIES by V. J. Dreitz and L. Stinson ……………………205 WATERFOWL CONSERVATION WP 3006 EVALUATING RELATIONSHIPS BETWEEN HUNTING REGULATIONS, HABITAT CONDITIONS, AND DUCK HUNTING QUALITY ON STATE WILDLIFE AREAS IN NORTHEASTERN COLORADO by J. H. Gammonley and J. P. Runge ………………………………...218 5 Colorado Division of Parks and Wildlife September 2011-September 2012 WILDLIFE RESEARCH REPORT State of: Colorado : Division of Parks and Wildlife Cost Center: 3420 : Avian Research Work Package: 0659 : Gunnison Sage-grouse Conservation Task No.: N/A : Demography and dispersal of Gunnison sage- grouse (Centrocercus minimus) Federal Aid Project No. N/A Period Covered: September 1, 2011 – August 31, 2012 Author: M. Phillips Personnel: R. Del Piccolo and J Wenum, CPW; A. Davis, P. Doherty and P. Street, Colorado State University All information in this report is preliminary and subject to further evaluation. Information MAY NOT BE PUBLISHED OR QUOTED without permission of the author. Manipulation of these data beyond that contained in this report is discouraged. ABSTRACT In 2005, the Colorado Division of Wildlife, now Colorado Parks and Wildlife (CPW), initiated a research project to evaluate the demography and movement patterns in two Gunnison sage-grouse (GUSG) populations. The objective is to develop population and landscape models that will be used in the development and refinement of management plans for GUSG and to update the population viability analysis used in the Gunnison Sage-grouse Rangewide Conservation Plan (2005). Acquiring more precise estimates of demographic rates (and their variances) will enable us to evaluate the relative importance of various environmental and demographic factors that potentially influence population abundance, dynamics and persistence of GUSG. There are seven GUSG populations distributed across southwestern Colorado and southeastern Utah. Six of the populations are relatively small (with < 100 males counted on leks and < 100,000 acres of sagebrush habitat) compared to the Gunnison Basin (with 750-1,000 males counted on leks and > 500,000 acres of sagebrush habitat). We chose to contrast the demography and movement patterns of GUSG in one of the small populations in San Miguel County with the large population in Gunnison County. The population in San Miguel County is one of the more complex of the smaller populations with approximately six isolated population segments. The Miramonte population segment contains the largest population of GUSG outside of the Gunnison Basin. We currently lack information on the role of landscape features (e.g., the composition and fragmentation of sagebrush habitat) on the movement patterns and demography of GUSG. We completed the field work for this project in 2011. This report represents the progress on the data analysis for this project. We provide the Abstracts from the completed Ph.D. dissertation completed by Amy Davis in June 2012, along with commentaries containing additional information. 6 WILDLIFE RESEARCH REPORT DEMOGRAPHY AND DISPERSAL OF GUNNISON SAGE-GROUSE (Centrocercus minimus) MICHAEL PHILLIPS and AMY DAVIS PROJECT OBJECTIVES 1. Acquire current estimates of nest success, survival of chicks, juveniles, yearlings, and adults) and estimates of variation (temporal and spatial) for two populations of Gunnison sage-grouse (GUSG). 2. Model nest survival using nest-site vegetation structure and various spatial and temporal factors (e.g., time of nest initiation, nest age, and population) as covariates. 3. Model chick, juvenile, yearling, and adult survival using life history and various spatial and temporal factors as covariates (e.g, age, sex, time of year, population, weather). 4. Record movement patterns of GUSG and use the information to develop landscape use, movement models and spatial models of demographic parameters. 5. Use the above estimates to update and refine a population viability analysis (PVA) developed for the GUSG Rangewide Conservation Plan (Gunnison Sage-grouse Rangewide Steering
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