•  
  •  
 

Covers

PDF

Full Issue
Studies in Avian Biology

PDF

Front Matter
Studies in Avian Biology

Contents

PDF

Contents
Studies in Avian Biology

PDF

Reader's Guide
Studies in Avian Biology

PDF

Introduction
J. Michael Scott and C. John Ralph

PDF

Genesis of the Symposium
Robert Z. Callaham

Estimating Relative Abundance

PDF

The Christmas Bird Count and Avian Ecology
Carl E. Bock and Terry L. Root

PDF

Playback Recordings as a Special Avian Censusing Technique
R. Roy Johnson, Bryan T. Brown, Lois T. Haight, and James M. Simpson

PDF

Use of Playback Recordings in Sampling Elusive or Secretive Birds
Wayne R. Marion, Timothy E. O'Meara, and David S. Maehr

Estimating Birds Per Unit Area

PDF

Remarks on the Use of Mark-recapture Methodology in Estimating Avian Population Size
James D. Nichols, Barry R. Noon, S. Lynne Stokes, and James E. Hines

Comparison of Methods

PDF

Literature Cited
Frank E. Price and Carl E. Bock

PDF

Contents
Studies in Avian Biology

PDF

Introduction
Ralph W. Schreiber

PDF

Contents
Studies in Avian Biology

Species Variability

PDF

Methods of Detecting and Counting Raptors: a Review
Mark R. Fuller and James A. Mosher

Environmental Influences

PDF

Seasonal Changes in Avian Densities and Diversities
Bertin W. Anderson, Robert D. Ohmart, and Jake Rice

Observer Variability

PDF

Distance Estimation as a Variable in Estimating Bird Numbers from Vocalizations
J. Michael Scott, Fred L. Ramsey, and Cameron B. Kepler

PDF

Tests of Hearing Ability
Fred L. Ramsey and J. Michael Scott

PDF

Reducing Bird Count Variability by Training Observers
Cameron B. Kepler and J. Michael Scott

Sampling Design

PDF

Effects of Number of Circular Plots on Estimates of Avian Density and Species Richness
Michael L. Morrison, R. William Mannan, and Geoffrey L. Dorsey

PDF

Point Counts with Unlimited Distance
Jacques Blondel, Camille Ferry, and Bernard Frochot

PDF

Density Estimation Using Line Transect Sampling
P. V. Rao, K. M. Portier, and J. A. Ondrasik

PDF

Avian Censusing with the Strip Method: a Computer Simulation
Ronald W. Engel-Wilson, A. Kurt Webb, Kenneth V. Rosenberg, Robert D. Ohmart, and Bertin W. Anderson

Data Analysis

PDF

Line Transect Estimation of Bird Population Density Using a Fourier Series
Kenneth P. Burnham, David R. Anderson, and Jeffery L. Laake

Overviews

PDF

Censusing and the Evaluation of Avian Habitat Occupancy
John A. Wiens and John T. Rotenberry

Appendices: Committee Reports and Agendas

PDF

Literature Cited
Stephen R. Sabo