[Gutenberg 32855] • Natural History of the Bell Vireo, Vireo bellii Audubon by Barlow, Jon C. -- Read -- Imperial Library of Trantor

Index

JON C. BARLOW University of Kansas Lawrence 1962

Natural History of the Bell Vireo, Vireo bellii Audubon

JON C. BARLOW

CONTENTS INTRODUCTION ACKNOWLEDGMENTS METHODS OF STUDY STUDY AREA

Considerations of Habitat

SEASONAL MOVEMENT

Arrival in Spring

Fall Departure

GENERAL BEHAVIOR

Flight

Foraging and Food Habits Bathing

VOCALIZATIONS

Singing Postures

TERRITORIALITY

Establishment of Territory

Size of Territories Permanence of Territories Table 2. Size of the Nine Original Territories Occupied in 1960. Maintenance of Territory Table 3. Intraspecific Disputes in Maintenance of Territory. Behavior Aggressive Behavior of the Female Interspecific Relationships Table 4. Interspecific Conflict Observed in 1959 and 1960. Discussion

COURTSHIP BEHAVIOR

Displays and Postures

Discussion

SELECTION OF NEST-SITE AND NESTBUILDING

Table 5. Nest-sites Utilized in 1960.

Building Gathering of Nesting Material Length and Hours of Nestbuilding Abortive Nestbuilding Efforts Renesting The Nest Table 6. Abortive Nesting Attempts in May and June of 1960. Table 7. Dimensions of Nests in May (1960) and June (1960).

EGGLAYING AND INCUBATION

Egglaying

Clutch-size Table 8. Average Numbers of Eggs per Nest (Number of Records in Parentheses)[F]. Incubation The Roles of the Sexes in Incubation Relief of Partners in Incubation

NESTLING PERIOD

Hatching Sequence

Development of the Nestlings Table 9. Maturation of Nestling Bell Vireos. The First Day That an Activity Was Observed Is Shown. Parental Behavior Feeding of the Nestlings Table 10. Feeding of the Nestlings. Nest Sanitation Fledging Nest Parasites

FLEDGLING LIFE

Second Broods

REPRODUCTIVE SUCCESS

Behavior

SUMMARY LITERATURE CITED UNIVERSITY OF KANSAS PUBLICATIONS MUSEUM OF NATURAL HISTORY