Simple Summary Invasive species can be harmful to native species, although this fact could
be more complex when some natives eventually benefit from invaders. Faced with this …

Parrots are among the most diverse and widely distributed groups of birds and one of the
most threatened bird orders mainly due to habitat loss and illegal poaching. Most parrots are …

Simple Summary Monitoring programs are crucial to understanding and managing invasive
species populations. However, they are infrequent and not usually conducted in the long …

Plant–animal interactions are key to sustaining whole communities and ecosystem function.
However, their complexity may limit our understanding of the underlying mechanisms and …

Parrots (Psittaciformes), with about 400 species widely distributed across continents and
oceanic islands, stand out among birds for their poor conservation status [1]. According to …

Illegal wildlife trade remains highly active in the Neotropics, as indicated by the thousands of
parrots annually sold in illicit city markets. However, little is known about where parrots are …

Understanding of ecosystem structure and functioning requires detailed knowledge about
plant–animal interactions, especially when keystone species are involved. The recent …

Bird populations associated with agricultural ecosystems have declined markedly in Europe
during the last quarter of the 20th century due to land-use intensification. This has meant that …

Species living on islands are predictably different from their mainland counterparts in
morphology and behaviour, but the source of these differences is still debated. Islands, in …

Palms, like all plants, show coevolutionary relationships with animals that have been
traditionally categorized as mutualistic (seed dispersers and pollinators) or antagonistic …