Sentences with phrase «male nightingales»
Meanwhile, behavioral biologist Henrik Brumm of the University of St. Andrews found that male nightingales have cranked up their mating calls as much as 14 decibels to remain audible over urban sounds.
http://discovermagazine.com/
Since male nightingales are essentially involved in chick rearing, paternal investment might be a crucial variable for females in choosing a mate.
Several different song features were linked to greater paternal efforts by male nightingales.
Male nightingales feed the female during incubation, provide food to chicks and defend the nest against predators.
They studied 20 male nightingales, recording and analysing their nocturnal singing early in the breeding season.
Song orderliness is also known to be associated with male nightingale age.
The song of the male nightingale tells females how good a father he will be, according to research published in the open access journal BMC Evolutionary Biology.