News tagged with reproductive success

Related topics:

Are elder siblings helpers or competitors?

Having elder siblings decreases mortality risk in childhood, but same-sex elder siblings are associated with lower marriage rates and fewer children for their younger siblings in adulthood, according to the ...

Nov 22, 2012
5 / 5 (1) 0 | with audio podcast

Orsini's viper: Growth or reproduction?

Orsini's viper, a rare and protected species at risk of extinction in France, has an original reproductive strategy. In alternate years, it switches between reproductive and non-reproductive behavior. This ...

Nov 28, 2012
5 / 5 (1) 0

Networking ability a family trait in monkeys

Two years of painstaking observation on the social interactions of a troop of free-ranging monkeys and an analysis of their family trees has found signs of natural selection affecting the behavior of the descendants.

Jan 09, 2013
2 / 5 (1) 0 | with audio podcast