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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Ravens respond to unfamiliar corvid alarm calls
 DAVÍDKOVÁ, Marika
The following work encompasses a research in the behaviour of the common raven (Corvus corax). I tested the responses of the common raven to heterospecific alarm calls of various bird species that differ in familiarity and taxonomical relatedness to ravens. Two other corvid species (jays) and two non-corvids (gulls) were presented. The ravens were given stimuli from one jay and one gull - one of which was always familiar to the tested ravens (European) and one unfamiliar (American). The results suggest that familiarity is not as important as the membership to the Corvidae family.
Detailed record
Reakce sýkory koňadry \kur{(Parus major)} a sýkory modřinky \kur{(Cyanistes caeruleus)} na konspecifické a heterospecifické varovné hlasy v hnízdním kontextu
 DAVÍDKOVÁ, Marika
The following work contains an analysis of behavioural responses of Eurasian blue tits (Cyanistes caeruleus) and Great tits (Parus major) to heterospecific and conspecific alarm calls of Eurasian blue tit, Great tit, and alopatric Black-capped Chickadee (Poecile atricapillus) and Varied Tit (Sittiparus varius). Song of Eurasian blackcap (Sylvia atricapilla) was used as a baseline stimulus. I recorded and analyzed the following types of behaviour: the presence in the nearby surrondings of the nestbox, alarm calling, song and other calls.
Detailed record
Reakce krkavce velkého (\kur{Corvus} corax) na heterospecifické varovné hlasy
 DAVÍDKOVÁ, Marika
The following work encompasses a research in the behaviour of the common raven (Corvus corax). I tested the responses of the common raven to heterospecific alarm calls of various bird species that differ in familiarity and taxonomical relatedness to ravens. Two other corvid species (jays) and two non-corvids (gulls) were presented. The ravens were given stimuli from one jay and one gull - one of which was always familiar to the tested ravens (European) and one unfamiliar (American). The results suggest that familiarity is not as important as the membership to the Corvidae family.
Detailed record

See also: similar author names
6 DAVÍDKOVÁ, Markéta
1 Davídková, Marie
6 Davídková, Markéta
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