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Content with tag ecologia evolutiva .

Researchers confirm the tendency of vertebrates to dwarfism and gigantism in islands

An international study led by a researcher from Doñana Biological Station (EBD-CSIC) revisits the island rule in vertebrates and confirms the tendency of small-sized and large-sized species towards...

Stripes of prey species associated with group living

Grouping is a widespread form of predator defence, with individuals in groups often performing evasive collective movements in response to attack by predators. Individuals in these groups use...

Impairment of mixed melanin-based pigmentation in parrots

Parrots and allies (Order Psittaciformes) have evolved an exclusive capacity to synthesize polyene pigments called psittacofulvins at feather follicles, which allows them to produce a striking...

Understanding the complex relationships between ecological traits and spatial distribution patterns

The study of the relationship between the ecological niche breadth and spatial distribution of species has been a core topic in ecology. Ecological niche breadth measures the degree of...

DNA changes in mosquitos induced by malaria infection

Infection by the human malaria parasite leads to important changes in mosquito phenotypic traits related to vector competence. However, we still lack a clear understanding of the underlying...
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