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ShareScore release 0.9.0
Dataset results
9 results for “territorial intrusions”
No evidence for a role of trills in male response to territorial intrusion in a complex singer, the Thrush Nightingale
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Data from: Female anoles display less but attack more quickly than males in response to territorial intrusions
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Data from: Male and female Rufous-and-white Wrens do not match song types with same-sex rivals during simulated territorial intrusions
In birds with song repertoires, song-type matching occurs when an individual responds to another individual's song by producing the same song type. Song-type matching has been described in multiple bird species and a growing body of evidence suggests that song-type matching may serve as a conventional signal of aggression, particularly in male birds in the temperate zone. Few studies have investigated song-type matching in tropical birds or female birds, in spite of the fact that avian biodiversity is highest in the tropics, that female song is widespread in the tropics, and that female song is the ancestral state among songbirds. In this study of rufous-and-white wrens (Thryophilus rufalbus), a resident neotropical songbird where both sexes sing, we presented territorial males and females with playback that simulated a territorial rival producing shared and unshared songs. In response, both males and females sang matched song types at levels statistically equal to levels expected by chance. Furthermore, males and females exhibited similar levels of aggression and similar vocal behaviours in response to playback of both shared and unshared songs. These results indicate that rufous-and-white wrens do not use song-type matching in territorial conflicts as a conventional signal of aggression. We discuss alternative hypotheses for the function of song-type sharing in tropical birds. In particular, we point out that shared songs may play an important role in intra-pair communication, especially for birds where males and females combine their songs in vocal duets, and this may supersede the function of song-type matching in some tropical birds.
Data from: Sex-specific responses to territorial intrusions in a communication network: evidence from radio-tagged great tits
Signals play a key role in the ecology and evolution of animal populations, influencing processes such as sexual selection and conflict resolution. In many species, sexually selected signals have a dual function: attracting mates and repelling rivals. Yet, to what extent males and females under natural conditions differentially respond to such signals remains poorly understood, due to a lack of field studies that simultaneously track both sexes. Using a novel spatial tracking system, we tested whether or not the spatial behavior of male and female great tits (Parus major) changes in relation to the response of a territorial male neighbor to an intruder. We tracked the spatial behavior of male and female great tits (N = 44), 1 hr before and 1 hr after simulating territory intrusions, employing automatized Encounternet radio-tracking technology. We recorded the spatial and vocal response of the challenged males and quantified attraction and repulsion of neighboring males and females to the intrusion site. We additionally quantified the direct proximity network of the challenged male. The strength of a male's vocal response to an intruder induced sex-dependent movements in the neighborhood, via female attraction and male repulsion. Stronger vocal responders were older and in better body condition. The proximity networks of the male vocal responders, including the number of sex-dependent connections and average time spent with connections, did not change directly following the intrusion. The effects on neighbor movements suggest that the strength of a male's vocal response can provide relevant social information to both the males and the females in the neighborhood, resulting in both sexes adjusting their spatial behavior in contrasting ways, while the social proximity network remained stable. Moreover, our study underlines the importance of the "silent" eavesdroppers within communication networks for studying the dual functioning and evolution of sexually selected signals.
Data from: Sex-specific responses to territorial intrusions in a communication network: evidence from radio-tagged great tits
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Data from: Intruder colour and light environment jointly determine how nesting male stickleback respond to simulated territorial intrusions
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Data from: Male and female Rufous-and-white Wrens do not match song types with same-sex rivals during simulated territorial intrusions
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Defense against territorial intrusion is associated with DNA methylation changes in the honey bee brain
GEO Series GSE104994. Apis mellifera ligustica. 24 samples. Type: Methylation profiling by high throughput sequencing.
Transcriptional regulation of brain gene expression in response to a territorial intrusion
GEO Series GSE32961. Gasterosteus aculeatus. 19 samples. Type: Expression profiling by array.
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Allen Brain Atlas
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