- A new cue for torpor induction: charcoal, ash and smoke
Highlighted Article: Torpor expression is enhanced in yellow-footed antechinus in response to a combination of fire cues (food restriction, smoke and a charcoal/ash substrate), indicating a previously unrecognised regulatory mechanism for thermal biology in mammals.
- Innate preference and learning of colour in the male cotton bollworm moth, Helicoverpa armigera
Summary: Helicoverpa armigera, the nocturnal cotton bollworm moth, learns colours upon feeding, and discriminates colour discs depending on the chromatic contents irrespective of brightness.
- Demystifying animal ‘personality’ (or not): why individual variation matters to experimental biologists
Summary: Approaches used in quantitative genetics and animal personality research are useful to study the ecological and evolutionary consequences of individual variation in behaviour, physiology, performance and other complex traits.
- Assessing hydrodynamic space use of brown trout, Salmo trutta, in a complex flow environment: a return to first principles
Summary: New techniques are used to experimentally demonstrate that energy conservation strategies play a key role in brown trout space use.
- The speed and metabolic cost of digesting a blood meal depends on temperature in a major disease vector
Summary: Respirometry reveals that higher environmental temperatures reduce the metabolic costs of digestion but hasten starvation, and behavioral measurements show that tsetse flies switch between thermal optima throughout feeding cycles.
- Functional development of carbon dioxide detection in the maxillary palp of Anopheles gambiae
Summary: Onset of host-seeking behaviour in malaria mosquitoes is correlated with an increased receptor gene expression, and physiological and behavioural sensitivity to CO2.
- Natural selection constrains personality and brain gene expression differences in Atlantic salmon (Salmo salar)
Summary: In Atlantic salmon, time of emergence from the nest is a trait linked to boldness, brain gene expression and monoaminergic function. This suggests divergent stress coping strategies of early and late emerging fish.