Volume 89; Issue 2

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The Condor
Volume 89; Issue 2

The Condor

Volume 89; Issue 2

1

Cone Pigment of the Great Horned Owl

Gerald H. Jacobs, Michael Crognale and John Fenwick

Journal:

Year:

1987

Language:

english

File:

PDF, 524 KB

english, 1987

2

Breeding Vocalizations of the Surfbird

Edward H. Miller, William W. H. Gunn and Stephen F. MacLean, Jr.

Journal:

Year:

1987

Language:

english

File:

PDF, 1.09 MB

english, 1987

3

Winter Diets of Common Murres and Marbled Murrelets in Kachemak Bay, Alaska

Gerald A. Sanger

Journal:

Year:

1987

Language:

english

File:

PDF, 822 KB

english, 1987

4

Effects of Body Condition on Molting in Mallards

Journal:

Year:

1987

Language:

english

File:

PDF, 1.51 MB

english, 1987

5

Metabolic, Water and Thermal Relations of the Chilean Tinamou

Philip C. Withers, Richard B. Forbes and Michael S. Hedrick

Journal:

Year:

1987

Language:

english

File:

PDF, 500 KB

english, 1987

6

On Measuring Bird Habitat: Influence of Observer Variability and Sample Size

William M. Block, Kimberly A. With and Michael L. Morrison

Journal:

Year:

1987

Language:

english

File:

PDF, 1.62 MB

english, 1987

7

A Field Study of Winter Fruit Preferences of Cedar Waxwings

Jean M. McPherson

Journal:

Year:

1987

Language:

english

File:

PDF, 1.96 MB

english, 1987

8

Intraclutch Variation in the Size, Mass and Composition of Ring-Billed Gull Eggs

Catherine E. Meathrel and John P. Ryder

Journal:

Year:

1987

Language:

english

File:

PDF, 771 KB

english, 1987

9

Present Status of the Flightless Cormorant, Galapagos Penguin and Greater Flamingo Populations in the Galapagos Islands, Ecuador, after the 1982-83 El Niño

Carlos A. Valle and Malcolm C. Coulter

Journal:

Year:

1987

Language:

english

File:

PDF, 865 KB

english, 1987

10

Pair Formation in Cowbirds: Evidence Found for Screaming but Not Shiny Cowbirds

Journal:

Year:

1987

Language:

english

File:

PDF, 1.33 MB

english, 1987

11

Aggressive Encounters between Tundra Swans and Greater White-Fronted Geese during Brood Rearing

Craig R. Ely, David A. Budeau and Una G. Swain

Journal:

Year:

1987

Language:

english

File:

PDF, 592 KB

english, 1987

12

Egg Data Slips: Are They Useful for Information on Egg-Laying Dates and Clutch Size?

Douglas B. McNair

Journal:

Year:

1987

Language:

english

File:

PDF, 1.32 MB

english, 1987

13

Bird Visitation to Agave salmiana: Comparisons among Hummingbirds and Perching Birds

Carlos Martinez del Rio and Luis E. Eguiarte

Journal:

Year:

1987

Language:

english

File:

PDF, 1.12 MB

english, 1987

14

Personal Perspectives and Lack of Data Underlie Different Interpretations of Interspecific Aggression

Bradley C. Livezey

Journal:

Year:

1987

Language:

english

File:

PDF, 364 KB

english, 1987

15

Books Received

Journal:

Year:

1987

Language:

english

File:

PDF, 175 KB

english, 1987

16

Nest Site Selection by Northern Goshawks in Northern New Jersey and Southeastern New York

Robert Speiser and Thomas Bosakowski

Journal:

Year:

1987

Language:

english

File:

PDF, 1.32 MB

english, 1987

17

Factors Influencing Colony Attendance by Pigeon Guillemots on Southeast Farallon Island, California

Douglas A. Nelson

Journal:

Year:

1987

Language:

english

File:

PDF, 1.34 MB

english, 1987

18

Genetic Variation, Population Structure, and Evolution of California Quail

Robert M. Zink, Dale F. Lott and Daniel W. Anderson

Journal:

Year:

1987

Language:

english

File:

PDF, 1.61 MB

english, 1987

19

Phenetics: Evolution, Population, Traitby A. V. Yablokov; M. J. Hall

Review by: Daniel Simberloff

Journal:

Year:

1987

Language:

english

File:

PDF, 490 KB

english, 1987

20

Evidence of Hybridization between Red-Bellied and Golden-Fronted Woodpeckers

Journal:

Year:

1987

Language:

english

File:

PDF, 1.62 MB

english, 1987

21

Determinants of Nestling Feeding Rates and Parental Investment in the Mountain Chickadee

Journal:

Year:

1987

Language:

english

File:

PDF, 1.55 MB

english, 1987

22

Chronic Tidally-Induced Nest Failure in a Colony of White Ibises

Peter Frederick

Journal:

Year:

1987

Language:

english

File:

PDF, 1.08 MB

english, 1987

23

Connie Hagar: The Life History of a Texas Birdwatcherby Karen Harden McCracken

Review by: Alexander F. Skutch

Journal:

Year:

1987

Language:

english

File:

PDF, 492 KB

english, 1987

24

News and Notes

Journal:

Year:

1987

Language:

english

File:

PDF, 228 KB

english, 1987

25

Geographic Variation in Social Structure and Behavior of Aphelocoma ultramarina

Stuart D. Strahl and Jerram L. Brown

Journal:

Year:

1987

Language:

english

File:

PDF, 563 KB

english, 1987

26

Back Matter

Journal:

Year:

1987

Language:

english

File:

PDF, 333 KB

english, 1987

27

Day-to-Day Variation in Nest Attentiveness of White-Rumped Sandpipers

Ralph V. Cartar and Robert D. Montgomerie

Journal:

Year:

1987

Language:

english

File:

PDF, 1.25 MB

english, 1987

28

Revised Breeding Distribution of the Boreal Owl in the Northern Rocky Mountains

Gregory D. Hayward, Patricia H. Hayward, Edward O. Garton and Ronald Escano

Journal:

Year:

1987

Language:

english

File:

PDF, 346 KB

english, 1987

29

A Comparative Study of Eggshell Thickness in Cowbirds and Other Passerines

Carol D. Spaw and Sievert Rohwer

Journal:

Year:

1987

Language:

english

File:

PDF, 1.76 MB

english, 1987

30

Effects of the 1982-83 El Niño Event on Blue-Footed and Masked Booby Populations on Isla Daphne Major, Galápagos

H. Lisle Gibbs, Steven C. Latta and James P. Gibbs

Journal:

Year:

1987

Language:

english

File:

PDF, 566 KB

english, 1987

31

A Description of Mixed-Species Insectivorous Bird Flocks in Western Mexico

Richard L. Hutto

Journal:

Year:

1987

Language:

english

File:

PDF, 1.46 MB

english, 1987

32

First North American Nesting and Occurrence of Haliaeetus albicilla on Attu Island, Alaska

Theodore G. Tobish, Jr. and Lawrence G. Balch

Journal:

Year:

1987

Language:

english

File:

PDF, 402 KB

english, 1987

33

Unfinished Synthesisby Niles Eldredge

Review by: E. G. Leigh

Journal:

Year:

1987

Language:

english

File:

PDF, 488 KB

english, 1987

34

Front Matter

Journal:

Year:

1987

Language:

english

File:

PDF, 370 KB

english, 1987

35

Cannibalism in American Coots Induced by Severe Spring Weather and Avian Cholera

David G. Paullin

Journal:

Year:

1987

Language:

english

File:

PDF, 394 KB

english, 1987

36

Amino Acid Composition of the Calamus, Rachis, and Barbs of White-Crowned Sparrow Feathers

James R. King and Mary E. Murphy

Journal:

Year:

1987

Language:

english

File:

PDF, 760 KB

english, 1987

37

Microgeographic Song Variation in the Nuttall's White-Crowned Sparrow

Michael A. Cunningham, Myron C. Baker and Thomas J. Boardman

Journal:

Year:

1987

Language:

english

File:

PDF, 2.28 MB

english, 1987