In the colony where the males were less successful, the females laid fewer and lighter eggs.
Paired males were less likely to leave their capture fragment, and traveled shorter distances.
Overall, as predicted by sexual selection theory, the spatial proximity responses of males were less discriminatory compared to female zebra finches' responses tested previously using the same paradigm.
For Merriam's kangaroo rats, males were less likely to replace lost larder hoards than were females, but the reverse was true for Ord's kangaroo rats.
The researchers then followed what happened.Their first observation was that the folate-deficient males were less fertile than otherwise-comparable control animals.
During a subsequent social encounter with either the donor of the scent marks present in the enclosure (matching opponent) or another male (nonmatching opponent), males were less aggressive towards matching than nonmatching opponents.
Analyzing pain perception by handedness and gender revealed that the right-handed males were less sensitive to pain in their right versus their left hand, as determined by lower pain intensity (p = 0.031) and longer tolerance (p = 0.047).
In all groups males were less than 10%%.
Males were less engaged in the postharvest operations.
A recent study showed that women on team projects (co-authors instead of single authorship) with males were less likely then men to get tenure.
However, males were less sensitive to Levamisole than hermaphrodites.
