Parrots in the wild in Polish cities.

Amateur breeding of parrots as pets has contributed to many species being found in areas where they never occurred in the wild, particularly in warmer regions, but also in the temperate climates of North America and Europe.Climate change is likely to exacerbate this process.We hypothesised that parrots occurred in the wild in the cities of Poland,

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In Search for the Avian Trigeminal Magnetic Sensor: Distribution of Peripheral and Central Terminals of Ophthalmic Sensory Neurons in the Night-Migratory Eurasian Blackcap (Sylvia atricapilla)

In night-migratory songbirds, neurobiological and behavioral evidence suggest the existence of a magnetic sense associated with the ophthalmic branch of the trigeminal nerve (V1), possibly providing magnetic positional Jeans information.Curiously, neither the unequivocal existence, structural nature, nor the exact location of any sensory structure

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Population Genetic Analysis of the Threatened Plant Leavenworthia exigua var. laciniata (Brassicaceae) Reveals Virtually No Genetic Diversity and a Unique Mating System

Leavenworthia (Brassicaceae) has served as a model group for investigating the evolution of mating systems in plants, yet several Leavenworthia species remain understudied.One such taxon Jeans is Leavenworthia exigua var.laciniata, one of three varieties of L.exigua, a winter-annual plant endemic to the central United States.Because L.exigua var.la

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