Songbirds
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Recent papers in Songbirds
The evolutionary divergence of a single species into two has never been directly observed in nature, primarily because speciation can take a long time to occur. A ring species, in which a chain of intergrading populations encircles a... more
The chestnut-shouldered fairy-wrens comprise a subgroup of four species in the genus Malurus (Passeriformes: Maluridae). Collectively, they are widespread across the Australian continent but phenotypic variation is strongly structured... more
Tracking small migrant organisms worldwide has been hampered by technological and recovery limitations and sampling bias inherent in exogenous markers. Naturally occurring stable isotopes of H (δ(2)H) in feathers provide an alternative... more
Si hacemos un paralelo con la canaricultura, podemos inferir que los mejores criadores de canarios son los que pertenecen al segundo de estos dos grupos: aquellos que “nunca vuelven a casa”. Es decir, los criadores que hacen de la... more
The quail-thrush, Cinclosoma, include between five and seven species distributed broadly across arid and semi-arid inland Australia, mesic forests of south-eastern Australia and New Guinea. It has been suggested that the arid zone species... more