Males that sang
more complex song repertoires, indicated by many different «buzz», «whistle» and «trill» song types, also contributed more to chick feeding.
For species
with complex song, such as the nightingale, the study suggest that females rely on multiple song cues to quickly gather information about their potential partner and inform mating decisions.
Finches with sturdy bills built for crushing tough seeds can't trill
as complex a song as their fellows whose slender little beaks are superb for snatching insects.
Biologists have recently learned that orcas jabber in local dialects, and humpbacks sing
long complex songs that change through time (ScienceNOW, 29 November 2000).
During undisturbed sleep, the researchers discovered, the neurons spontaneously fired the
same complex song production patterns in bursts.
Just one day after the launch of Nintendo Labo in Japan, hardcore pianists have figured out how to
play complex songs on the Toy - Con Piano even though it only has 13 keys.
If birds sometimes sing because they enjoy it, then birds with
more complex songs would sing for greater lengths of time and with shorter breaks between songs.
Relax, letting it all in like
a complex song that the world is offering to you.
Therefore, learning
a complex song to attract the lady zebra finches is crucial for reproduction.
A spectrogram of a Hermit Thrush song shows the whistled introductory note (the horizontal bar at left) and the more
complex song that follows.
For example, «Some birds sing
complex songs,» becomes more informative when written «Some birds, those that advertise their suitability as mates, sing complex songs.»
Male humpback whales compose and seasonally alter lengthy,
complex songs.
But for birds consuming the estrogen cocktail, the vocal center grew even larger — and they sang five times as long as uncontaminated birds and composed more
complex songs.