News tagged with reproductive success

Related topics:

Do hormones dictate breeding success in birds?

( -- Some animals produce more offspring than others do. Hormones like prolactin and corticosterone can exercise a crucial influence on the behaviour of birds in the breeding season and therefore on their reproductive ...

dateJan 25, 2011 in Plants & Animals
shares0 comments 0

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 strategy has recently ...

dateNov 28, 2012 in Plants & Animals
shares0 comments 0

Unattractive guppies have better sperm

( -- Scientists studying tropical guppies have discovered that the less colorful and attractive males have better quality sperm, while the attractive fish invest in their appearance at the expense of sperm quality.

dateJun 07, 2010 in Plants & Animals report
shares0 comments 0