Sentence examples for avian vocalizations from inspiring English sources

He brought binoculars instead of a tape recorder, using pen and paper to transcribe avian vocalizations.

Nevertheless, anecdotal and scientific evidence suggest that avian vocalizations contain historical information [31].

Notably, interconnected forebrain circuitry involved in the perception and production of learned vocalizations has been discovered in all three avian vocal learning groups [ 16– 24].

Most studies on vocalization production in birds have been conducted in songbirds (i.e. suborder oscines within passerine birds), an avian clade in which vocalization production is believed to be mostly learned [25].

Second, I observed in few cases some intra-individual variability in crowing patterns during a same recording session and across seasons, adding to the growing body of evidence that vocalizations produced by avian non learners are less stereotyped than previously thought [45], [51], [52].

Songs are acquired through imitating the calls and songs of other birds, the vocalizations of non-avian species, mechanical sounds, and the sounds of other mockingbirds.

Using functional magnetic resonance imaging and synthetic songs that preserved exclusively either the temporal or the spectral structure of natural song, we investigated how vocalizations are processed in the avian forebrain.

In contrast to this source-filter theory of human speech [4] it has been long thought that frequency and amplitude modulations of bird vocalizations are mainly produced by the avian sound source, the syrinx, and that vocal tract filtering as in human speech production plays a minor role in generating vocal complexity in birdsong [5].

We present an avian model system for studying recovery of learned vocalizations after nerve injury.

These avian groups have remarkably similar systems of cerebral vocal nuclei for the control of learned vocalizations that are not found in their more closely related vocal non-learning relatives.

There has also been evidence of categorical perception of species-specific vocalizations in monkeys [e.g. 5] and in avian species [e.g. 6].