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The snapping response of the toad, Bufo bufo, towards prey dummies at very low light intensities

The snapping response of the toad, Bufo bufo, towards prey dummies at very low light intensities AbstractField studies showed that toads may snap at prey at light intensities at which human beings can no longer see. Experiments in the laboratory showed that snapping towards black mealworm dummies moved on a white background was independent of light intensities, from 1000 mlux to about 30-280 μlux. At lower intensities light seemed to be a limiting factor in the response. The level at which no response could be elicited was below 10 μlux. The day before and during a moult the snapping intensity was often low. It is concluded that toads can use visual cues for feeding at very low light intensities. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Amphibia-Reptilia Brill

The snapping response of the toad, Bufo bufo, towards prey dummies at very low light intensities

Amphibia-Reptilia , Volume 2 (4): 7 – Jan 1, 1981

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0173-5373
eISSN
1568-5381
DOI
10.1163/156853882x00248
Publisher site
See Article on Publisher Site

Abstract

AbstractField studies showed that toads may snap at prey at light intensities at which human beings can no longer see. Experiments in the laboratory showed that snapping towards black mealworm dummies moved on a white background was independent of light intensities, from 1000 mlux to about 30-280 μlux. At lower intensities light seemed to be a limiting factor in the response. The level at which no response could be elicited was below 10 μlux. The day before and during a moult the snapping intensity was often low. It is concluded that toads can use visual cues for feeding at very low light intensities.

Journal

Amphibia-ReptiliaBrill

Published: Jan 1, 1981

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