Issues
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Cover image
Cover Image
Cover: Tail regeneration in the leopard gecko (Eublepharis macularius). As in many lizards, leopard geckos can self-detach or autotomize a portion of the tail to escape predation, and then regenerate a replacement. This series of images, taken over 12 days, demonstrates wound healing at the site of tail loss, followed by the early outgrowth of the new appendage. Jacyniak et al. (pp. 2858–2869) review the dramatic regenerative abilities of lizards, which extend well beyond the tail to include cartilage, skin, the spinal cord and even portions of the brain. Photo credit: M. Vickaryous.
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INSIDE JEB
CONVERSATION
COMMENTARY
Parasite-altered feeding behavior in insects: integrating functional and mechanistic research frontiers
Summary: A new and important wave of research investigates how parasites can change feeding behavior in insects in ways that benefit either the host or the parasite.
REVIEW
Tail regeneration and other phenomena of wound healing and tissue restoration in lizards
Summary: We highlight how lizards can inform, enhance and expand our understanding of the biology of regeneration.
SHORT COMMUNICATIONS
Contraction-induced enhancement of relaxation during high force contractions of mouse lumbrical muscle at 37°C
Summary: The fast and slow phases of relaxation from high force isometric contractions can be enhanced following electrically evoked contraction of intact mouse lumbrical muscle at physiological temperatures.
Pre-settlement coral-reef fish larvae respond to magnetic field changes during the day
Summary: The individual orientation behaviour of coral-reef fish larvae during the pre-settlement phase is influenced by magnetic-field shifts, which indicates sensitivity to the geomagnetic field and the use of a magnetic compass during dispersal and settlement.
RESEARCH ARTICLES
Determining the behavioural dose–response relationship of marine mammals to air gun noise and source proximity
Highlighted Article: An analytical framework relating the behavioural response of whales to received level and proximity of a noise source, with dose–response results of humpback whales to air guns.
Behavioral color vision in a cichlid fish: Metriaclima benetos
Summary: Behavioral assays were used to determine the color-vision capabilities of a rock-dwelling cichlid from Lake Malawi and suggest that cichlids possess a trichromatic visual system.
Chamber music: an unusual Helmholtz resonator for song amplification in a Neotropical bush-cricket (Orthoptera, Tettigoniidae)
Summary: Laser vibrometry, microcomputed tomography and finite element modelling are used to show that an unusual pronotal inflation covering the wings of a bush-cricket acts as a Helmholtz resonator.
Homing pigeons (Columba livia) modulate wingbeat characteristics as a function of route familiarity
Highlighted Article: Onboard accelerometry reveals that pigeons' flight characteristics undergo gradual changes over the course of learning a route, and thus provide potential biomechanical signatures of birds' landscape familiarity.
Ammonia exposure affects the mRNA and protein expression levels of certain Rhesus glycoproteins in the gills of climbing perch
Summary: Active ammonia excretion in the gills of the climbing perch, Anabas testudineus, may involve apical Rhag and basolateral Rhcg2 expressed in ammonia-inducible Na+/K+-ATPase α1c-immunoreactive ionocytes.
miR-210 expression is associated with methionine-induced differentiation of trout satellite cells
Summary: Identification of a novel myo-miR (miR-210) by miRNA microarray, qRT-PCR, and next generation sequencing, recognized in trout as a novel regulator of differentiation through the use of methionine depletion to synchronize cells.
Heart rate dynamics in a marsupial hibernator
Summary: Control and function of the cardiac system in the eastern pygmy possum during deep torpor is indistinguishable from that of a placental hibernator, and its dynamic heart rate range is one of the greatest measured to date at ∼600 beats min−1.
Effects of a social cue on reproductive development and pre-alternate molt in seasonally breeding migrant and resident female songbirds (Zonotrichia leucophrys)
Highlighted Article: Migrant and resident birds exhibit differences in reproductive development consistent with adaptive specialization in the use of photoperiodic cues, but not social cues, to regulate reproductive development.
Carotenoids buffer the acute phase response on fever, sickness behavior and rapid bill color change in zebra finches
Summary: Carotenoids are colorful pigments traded off between display and health. When we induced a strong immune response, zebra finches supplemented with carotenoids were able to buffer the negative effects of sickness.
Rapid growth causes abnormal vaterite formation in farmed fish otoliths
Summary: The rapid growth experienced by farmed fishes causes an otolith deformation rarely seen in the wild.
Low levels of extracellular glucose limit cardiac anaerobic metabolism in some species of fish
Summary: Cardiac anaerobic metabolism is compromised in fish species with low levels of plasma glucose. This in turn may limit hypoxic performance.
Reproductive and metabolic state differences in olfactory responses to amino acids in a mouth brooding African cichlid fish
Summary: Electro-olfactograms in an African cichlid fish reveal intra-sexual plasticity in olfactory responses of both males and females that is related to reproductive and metabolic state.
Changes in mechanical work during neural adaptation to asymmetric locomotion
Summary: Minimizing mechanical work performed by the legs may drive locomotor adaptation, with wide relevance for the control of legged locomotion and motor learning in novel environments.
Meet the JEB Editors @ SEB 2023

Come and meet the JEB team at the Society for Experimental Biology centenary conference from 4-7 July in Edinburgh, UK. Visit exhibition stand 13/15 to pick up JEB centenary goodies, including our new ‘100 years of discovery’ T shirt, and join our Meet the JEB Editors event on Thursday 6 July at 12.30 at Platform 5 to find out more about the journal and chat to Editors including EiC Craig Franklin, Monitoring Editors Sanjay Sane, Trish Schulte and John Terblanche and the in-house News and Reviews team.
New funding schemes for junior faculty staff

In celebration of our 100th anniversary, JEB has launched two new grants to support junior faculty staff working in animal comparative physiology and biomechanics who are within five years of setting up their first lab/research group. Check out our ECR Visiting Fellowships and Research Partnership Kickstart Travel Grants. First deadline for applications is 15 July 2023.
JEB@100: an interview with Monitoring Editor Katie Gilmour

Katie Gilmour tells us how she first encountered the JEB Editorial team as a graduate student at the University of Cambridge, UK, and how she would like to have a Star Trek tricorder to monitor fish non-invasively in the field.
The Forest of Biologists

The Forest of Biologists is a biodiversity initiative created by The Company of Biologists, with support from the Woodland Trust. For every Research and Review article published in Journal of Experimental Biology a native tree is planted in a UK forest. In addition to this we are protecting and restoring ancient woodland and are dedicating these trees to our peer reviewers. Visit our virtual forest to learn more.
Centenary Review - Adaptive echolocation behavior

Cynthia F. Moss and colleagues Review the behaviours used by echolocating mammals to track and intercept moving prey, interrogate dynamic sonar scenes, and exploit visual and passive acoustic stimuli.
Crucial DNA at crux of insect wing size evolution
Keity Farfán-Pira and colleagues have revealed that a tiny region of regulatory DNA in the vestigial gene governs whether insect wings are large or small and has played a key role in the evolution of insect wing size.