Cues used by European starlings for detecting methiocarb-treated grapes

Experiments were conducted to determine the types of cues European starlings (Sturnus vulgaris) used to detect methiocarb-treated grapes and to determine whether the use of visual tags would enhance repellency to this chemical. One untreated and one treated grape bunch were offered to individually c...

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Bibliographic Details
Published in:The Journal of wildlife management 1985-10, Vol.49 (4), p.1102-1108
Main Author: Tobin, M.E
Format: Article
Language:English
Subjects:
Agricultural management
Animal ethology
Aves
Aviary birds
Biological and medical sciences
BIRD CONTROL
Bird pests
Birds
CONTROL DE PAJAROS
CROP LOSSES
ESTORNINO
ETOURNEAU
Experimentation
Food
Fundamental and applied biological sciences. Psychology
GRAPEVINES
LUTTE ANTIAVIAIRE
PERDIDAS DE LA COSECHA
PERTE DE RECOLTE
Pest control
Phytopathology. Animal pests. Plant and forest protection
Psychology. Psychoanalysis. Psychiatry
REPELENTES
REPELLENTS
REPULSIF
STARLINGS
Vertebrata
Vertebrates
VID
VIGNE
Water treatment
Weight loss
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Summary:Experiments were conducted to determine the types of cues European starlings (Sturnus vulgaris) used to detect methiocarb-treated grapes and to determine whether the use of visual tags would enhance repellency to this chemical. One untreated and one treated grape bunch were offered to individually caged birds during a series of 2-hour feeding trials, with the position of the treated bunch either variable or stationary during successive trials. Starlings relied on locational cues for identifying methiocarb-treated bunches and showed avoidance of untreated grapes later placed on the same side of the cage. Visual tags (3.8-cm2pieces of yellow cloth tape with a brown "X" on each side) did not hasten the recognition of locations where methiocarb-treated bunches were placed, nor did they enhance the subsequent repellency. Methiocarb failed to inhibit overall consumption of grapes.
ISSN:0022-541X
1937-2817
DOI:10.2307/3801402