Keeping up appearances: male fiddler crabs wave faster in a crowd
نویسندگان
چکیده
منابع مشابه
Keeping up appearances: male fiddler crabs wave faster in a crowd.
Courtship displays are often energetically and temporally costly as well as highly conspicuous to predators. Selection should therefore favour signalling tactics that minimize courtship costs while maintaining or increasing signal attractiveness. In fiddler crabs, males court females by waving their one greatly enlarged claw in a highly conspicuous and costly display. Here, we investigate wheth...
متن کاملKeeping up appearances
objects—‘Santa Claus is fat’ has one kind of semantic interpretation, while ‘Bob is fat’ has another. Meanwhile ‘pretense’ theories face the problem (among others) that no pretense seems to be going on at all when we say ‘Santa Claus doesn’t exist’. See Ludlow 1999 pg. 71, and also Brown, 2009, ch. 2. (Even so, such theories may actually be providing the most objectively simple 50 explanations ...
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Orchids show an astonishing floral diversity yet an ability to hybridize in the hands of breeders. Nigel Williams reports on a new study that shows how neighbours appear to avoid the hybrid trap in the wild.
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What are fiddler crabs? Fiddler crabs belong to the genus Uca. They are members of the ocypodid family of brachyuran crabs, the most recent marine animals to have invaded land. They spend the first part of their life as aquatic plankton and only settle in the intertidal zone after their last larval moult. Adults live in burrows on intertidal mudand sand-flats within dense, mixedage, mixed-sex a...
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Similar to many other species of fiddler crabs, the interactions of Uca tangeri are influenced by 2 characteristic visual signals: the waving d~sp lay performed by males with their enlarged claw, and the building of structures (mudballs) around the burrow entrance. This study focused on male signalling, male-male competition and female mate choice Female choice and male mating success were inve...
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ژورنال
عنوان ژورنال: Biology Letters
سال: 2011
ISSN: 1744-9561,1744-957X
DOI: 10.1098/rsbl.2011.0926