Results 21 to 30 of about 680 (164)
Social brains in context: lesions targeted to the song control system in female cowbirds affect their social network. [PDF]
Social experiences can organize physiological, neural, and reproductive function, but there are few experimental preparations that allow one to study the effect individuals have in structuring their social environment. We examined the connections between
Sarah E Maguire +2 more
doaj +1 more source
Las especies del género Brueelia que parasitan distintos táxones de Icterinae presentan un conjunto de características somáticas que permiten discriminarlas en dos agrupamientos informales de especies, aquí denominados grupo picturata y grupo ornatissima,
A. C. Cicchino, D. C. Castro
doaj +1 more source
Un caso de deformación del pico en el tordo cabeza café (Molothrus ater)
Registré la presencia de un individuo macho, probablemente inmaduro, de tordo cabeza café (Molothrus ater) con deformación en el pico, en la localidad de Petaquillas, municipio de Chilpancingo, Guerrero.
Epifanio Blancas-Calva
doaj +1 more source
Non-breeding social behaviour as an investment in reducing future territoriality costs. [PDF]
ABSTRACT Territoriality is costly, and animals should adopt strategies to cope with these costs. Seasonal territoriality for breeding – a common strategy in many groups of animals – can reduce costs during the non‐breeding season but requires establishing new territories every breeding season.
Ramellini S +3 more
europepmc +2 more sources
Owens Valley nesting willow flycatcher under pressure
Willow flycatchers (Empidonax traillii; WIFL) nest along the Owens River and Horton Creek in the Owens Valley. Migrating WIFL visit these sites as well as many other tributaries to both the Owens River and Mono Lake.
Lacey Greene +2 more
doaj +1 more source
Referential alarm calls that denote specific types of dangers are common across diverse vertebrate lineages. Different alarm calls can indicate a variety of threats, which often require specific actions to evade. Thus, to benefit from the call, listeners
Shelby L. Lawson +3 more
doaj +1 more source
Ultraviolet-reflective film applied to windows reduces the likelihood of collisions for two species of songbird [PDF]
Perhaps a billion birds die annually from colliding with residential and commercial windows. Therefore, there is a societal need to develop technologies that reduce window collisions by birds.
John P. Swaddle +3 more
doaj +2 more sources
The Role of Campus as an Urban Multiuse Protected Area in Bird Nocturnal Roosting Habitat Function. [PDF]
Campus green spaces are essential for providing critical nocturnal habitats, playing a key role in supporting urban bird species in fragmented environments. Seasonal variations significantly influence nocturnal bird roosting site selection, with birds adapting their roosting patterns to changing environmental conditions throughout the year.
He M, Li B, Du W, Du C.
europepmc +2 more sources
Effects of vegetation, corridor width and regional land use on early successional birds on powerline corridors. [PDF]
Powerline rights-of-way (ROWs) often provide habitat for early successional bird species that have suffered long-term population declines in eastern North America. To determine how the abundance of shrubland birds varies with habitat within ROW corridors
Robert A Askins +2 more
doaj +1 more source

