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EDITORIAL

JEB: 100 years of discovery

COMMENTARIES

CENTENARY ARTICLE
JEB: 100 years of discovery

Summary: We outline why physiological differences between wild and captive animals may occur and discuss strategies to reconcile lab and field results to obtain ecologically relevant data.

CENTENARY ARTICLE
JEB: 100 years of discovery

Summary: A Commentary on the diversity of architecture in animal visual systems, particularly those that depart from the typical two-eyed configuration, with outlines for future directions in this area.

REVIEWS

Summary: We review the impact of extreme cycles of solar illumination on the biological clocks of birds and mammals that spend all or part of their lives in the polar regions.

CENTENARY ARTICLE
JEB: 100 years of discovery

Summary: This Review outlines how weakly electric fishes organize fixed-action patterns to emit electric fields, which are used to carry signals marking species, sex and location, and to convey social messages.

RESEARCH ARTICLES

Summary: Demonstration of the use of accelerometers to estimate energy expenditure/field metabolic rate and to quantify the daily movement patterns of free-ranging Australasian gannets.

Highlighted Article: A stickleback immune response to a common parasite not only decreases the severity of the infection but also increases the fish's escape performance.

Summary: Dehydration has variable effects on corticosterone and immunocompetence across reptile species from habitats with varied water availability. These responses to dehydration seem more heavily related to taxonomic family than to current species habitat.

Summary: Nuclear-encoded elements play a larger role in thermal tolerance phenotypes relative to mtDNA-encoded elements in first-generation hybrids of two divergent populations of intertidal copepods.

Highlighted Article: Cactus mice exhibit dehydration anorexia, which is an adaptive response aimed at limiting fluid loss by reducing waste and solute load, enabling them to survive in desert habitats.

Summary: In Lymnaea stagnalis, isolation during or after configural learning training significantly inhibits memory formation, demonstrating the salient effect that isolation can have on cognition for higher-order associative learning.

Summary: Two oyster species from contrasting habitats exhibit a high acidification tolerance through phenotypic plasticity but their physiological responses differ.

Summary: Robust phylogenetic comparative analyses demonstrate the tissue-dependent effect of bird body mass on mitochondrial bioenergetics, questioning the mechanisms and levers modulating allometric patterns in different tissues, and the involvement of body mass in individual performance in endotherms.

Summary: The electrocardiograms of captive Pipistrellus abramus show that their heart rate increases as a fear response when the bats hear sounds with a distress context.

Summary: The contribution of metabolic water to Cetacea body water is variable and largely depends on the lipid content of the diet.

ECR SPOTLIGHTS

JEB: 100 years of discovery
JEB: 100 years of discovery
JEB: 100 years of discovery
JEB: 100 years of discovery
JEB: 100 years of discovery
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