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Article
Open AccessIndividual flexibility in group foraging behaviour of reef manta rays (Mobula alfredi)
Flexibility in animal foraging strategies can increase overall feeding efficiency for individuals. For example, group foraging can increase the efficiency of resource exploitation; conversely solo foraging can...
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Article
The urgent need for designing greener drugs
The pervasive contamination of ecosystems with active pharmaceutical ingredients poses a serious threat to biodiversity, ecosystem services and public health. Urgent action is needed to design greener drugs th...
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Article
Open AccessPneumonia among adults hospitalized with laboratory-confirmed seasonal influenza virus infection—United States, 2005–2008
Influenza and pneumonia combined are the leading causes of death due to infectious diseases in the United States. We describe factors associated with pneumonia among adults hospitalized with influenza.
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Article
Colour cues or spatial cues? Context-dependent preferences in the European greenfinch (Carduelis chloris)
Using featural cues such as colour to identify ephemeral food can increase foraging efficiency. Featural cues may change over time however; therefore, animals should use spatial cues to relocate food that occu...
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Article
Antioxidant status, flight performance and sexual signalling in wild-type parrots
During mate choice, individuals are predicted to assess traits that honestly signal the quality of potential partners. Locomotor capacity may be such a trait, potentially signalling condition and ability to re...
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Article
Dietary antioxidants, lipid peroxidation and plumage colouration in nestling blue tits Cyanistes caeruleus
Carotenoid pigments are responsible for many of the red, yellow and orange plumage and integument traits seen in birds. One idea suggests that since carotenoids can act as antioxidants, carotenoid-mediated col...
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Article
Egg composition in relation to social environment and maternal physiological condition in the collared flycatcher
Offspring survival can be influenced by resources allocated to eggs, which in turn may be affected by the environmental factors the mother experiences during egg formation. In this study, we investigated wheth...
