Lifetime mating opportunities and male mating behaviour in sexually cannibalistic praying mantids

Article Abstract:

The number of lifetime mating opportunities and mating behavior of males in two sexually cannibalistic species, the Mediterranean, Iris oratoria, and bordered, Stagmomantis limbata, praying mantids was investigated. Findings indicated that some I. oratoria and S. limbata males meet several females over their lifetimes. Males of neither species showed any suicidal behavior. Long copulation times in S. limbata may be due to paternity ensurance.

Sexual behavior, Praying mantis, Mantids

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Is suckling behaviour a useful predictor milk intake? A review

Article Abstract:

Time spent suckling in studies on mammalian parental investment, is often used as a predictor of milk intake. The assumption that the rate of milk transfer is positively correlated with time spent suckling has not bee tested. It is likely that researchers have avoided such tests as a strong link between milk transfer and suckling behaviour is unlikely to be found. The assumption needs to be tested with isotope-labelling methods.

Research, Observations, Mammals, Lactation

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Water-finding in adult turtles: random search or oriented behaviour?

Article Abstract:

Adult yellow-bellied pond slider turtles, Trachemys scripta, possess a water-finding capability that permits orientation to aquatic habitats in new areas. Under overcast situations, the turtles' orientation was indiscriminate. In clear conditions, turtles orient discriminately and in the direction of the closest water, indicating that adult pond sliders have a water finding capability.

Behavior, Turtles

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