Sentence examples for song trait from inspiring English sources

Differences in a third song trait, the intervals between sound pulses and chirps, disappeared after common-garden breeding, suggesting that either the difference between populations in these traits represents phenotypic plasticity or the populations converged as a result of adaptation to the laboratory environment.

One song trait that has received particular attention is trill performance (reviewed in [ 4, 12, 13]).

Role-reversed males sang less frequently and at a lower intensity, but female preferences for one important song trait remained unchanged [ 29].

Full-sib analyses suggested high levels of genetic variability in song traits.

Among the different male song traits investigated, we found a high heritability for song bout length and song bout repertoire, as well as an intriguing gene-by-environment interaction for song bout repertoire.

However, the absence of a heritable component in female mate choice suggests a need for studies investigating the heritability of female preferences for (heritable) male song traits in order to gain a better understanding of a potential coevolution between male sexual traits and female mate choice.

In theory, either possibility could explain correlations between song traits and genetic diversity [20], [22], [24].

This estimate was comparable with other song traits, such as song rate or song duration [e.g. 32], [49], [50].

Previous studies on the great tit have also reported differences of song traits at the population level.

On the contrary, we did not find strong evidence for other song traits having evolved as signals of personality.

elements within song) for each song: Given the repeatability of these song traits within individuals [32], we averaged these variables for each male.