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Song-like activation of syringeal and respiratory muscles during sleep in canaries
Song-like activation of syringeal and respiratory muscles during sleep in canaries
Sleep replay activity involves the reactivation of brain structures with patterns similar to those observed during waking ...
The effect of extracellular potassium concentration on the oscillation frequency of the pacemaker nucleus in the weakly electric fish
The effect of extracellular potassium concentration on the oscillation frequency of the pacemaker nucleus in the weakly electric fish
The weakly electric brown ghost knifefish (Apteronotus leptorhynchus) exhibits a pronounced sexual dimorphism in its elect...
Is there direct photoentrainment in the goldfish liver? Wavelength-dependent regulation of clock genes and investigation of the opsin 7 family
Is there direct photoentrainment in the goldfish liver? Wavelength-dependent regulation of clock genes and investigation of the opsin 7 family
Widespread direct photoentrainment in zebrafish peripheral tissues is linked to diverse non-visual opsins. To explore whet...
Shelter selection in females of two scorpion species depends on shelter size and scent
Shelter selection in females of two scorpion species depends on shelter size and scent
Shelter selection is an important task in an animal’s life. Concerning scorpions, little is known on the evaluation ...
Novel nerve regeneration assessment method using adult zebrafish with crush spinal cord injury
Novel nerve regeneration assessment method using adult zebrafish with crush spinal cord injury
Zebrafish (Danio rerio), an alternative to rodents, are widely used in neurological, genetic, and toxicology research. The...
Do wild-caught fly larvae cooperatively forage?
Do wild-caught fly larvae cooperatively forage?
Animals often form organized cooperative foraging groups, where individual members must adhere to specific rules to mainta...
Werner Nachtigall (1934–2024)
Werner Nachtigall (1934–2024)
On September 5th, 2024, Werner Nachtigall (born July 6, 1934) passed away. Nachtigall is a pioneer in biomechanics, a foun...
Vector-based navigation in desert ants: the significance of path-integration vectors
Vector-based navigation in desert ants: the significance of path-integration vectors
In the longstanding discussion of whether insects, especially central place foragers such as bees and ants, use metric rep...
Essential and nonessential fatty acid composition and use in overwintering monarch butterflies
Essential and nonessential fatty acid composition and use in overwintering monarch butterflies
Monarch butterflies (Danaus plexippus) undertake one of the most remarkable long-distance insect migrations, travelling th...
Male seminal fluid allocation according to socio-sexual context in the South American fruit fly
Male seminal fluid allocation according to socio-sexual context in the South American fruit fly
During copulation male insects transfer sperm and seminal fluids, including accessory gland proteins (Acps) to females, pr...
The cold tolerance of the terrestrial slug,
The cold tolerance of the terrestrial slug,
Terrestrial molluscs living in temperate and polar environments must contend with cold winter temperatures. However, the p...
Photoperiodic plasticity of pigment-dispersing factor immunoreactive fibers projecting toward prothoracicotropic hormone neurons in flesh fly larvae
Photoperiodic plasticity of pigment-dispersing factor immunoreactive fibers projecting toward prothoracicotropic hormone neurons in flesh fly larvae
Larvae of the flesh fly, Sarcophaga similis exhibit photoperiodic responses to control pupal diapause. Although the extern...
Electrophysiological and behavioral responses of elongated solifuge sensilla to mechanical stimuli
Electrophysiological and behavioral responses of elongated solifuge sensilla to mechanical stimuli
A fundamental understanding of animal sensory systems is crucial for comprehending their interactions with the environment...
Monoamine neurochemistry, behavior, and microhabitat contribute to male coquí frog modes: silent, territorial, and paternal
Monoamine neurochemistry, behavior, and microhabitat contribute to male coquí frog modes: silent, territorial, and paternal
Monoaminergic neurotransmitters are essential for a multitude of physiological and behavioral functions including territor...
Flupyradifurone, imidacloprid and clothianidin disrupt the auditory processing in the locust CNS
Flupyradifurone, imidacloprid and clothianidin disrupt the auditory processing in the locust CNS
Since the EU banned classic neonicotinoids like imidacloprid and clothianidin, they may be replaced by more recently marke...
Photoperiod-driven testicular DNA methylation in gonadotropin and sex steroid receptor promoters in Siberian hamsters
Photoperiod-driven testicular DNA methylation in gonadotropin and sex steroid receptor promoters in Siberian hamsters
Seasonal cycles in breeding, often orchestrated by annual changes in photoperiod, are common in nature. Here, we studied h...
Comparative analysis of the structure and crystallin composition of the lenses of freshwater fish and gastropods with respect to their vision
Comparative analysis of the structure and crystallin composition of the lenses of freshwater fish and gastropods with respect to their vision
The structural organisations of the lenses of the pikeperch Sander lucioperca and the whitefish Coregonus lavaretus as wel...
Path integration and optic flow in flying insects: a review of current evidence
Path integration and optic flow in flying insects: a review of current evidence
Path integration is a key navigation mechanism used by many animals, involving the integration of direction and distance o...
Is it a bat or a male? A female moth (, Lepidoptera: Erebidae: Arctiinae) adapts its acoustic signals for defense or courtship
Is it a bat or a male? A female moth (, Lepidoptera: Erebidae: Arctiinae) adapts its acoustic signals for defense or courtship
Courtship behavior in the polka-dot wasp moth Syntomieda epilais is the most elaborate acoustic communication system known...
The relative landmark shift during free movement on a treadmill may enhance visual learning for ant foragers
The relative landmark shift during free movement on a treadmill may enhance visual learning for ant foragers
Ants are known for their sophisticated navigational abilities and rely on various cues to locate food sources efficiently....
A formative journal for a formative career: a personal recollection of how JCPA has inspired and guided my research life
A formative journal for a formative career: a personal recollection of how JCPA has inspired and guided my research life
A fateful decision as a 15-year-old high school student, and good advice from a distinguished professor of zoology, were t...
The incomparable fascination of comparative physiology: 40 years with animals in the field and laboratory
The incomparable fascination of comparative physiology: 40 years with animals in the field and laboratory
This paper is not meant to be a review article. Instead, it gives an overview of the major research projects that the auth...
Non-celestial polarization vision in arthropods
Non-celestial polarization vision in arthropods
Most insects can detect the pattern of polarized light in the sky with the dorsal rim area in their compound eyes and use ...
Cover images of the Journal of Comparative Physiology A and the stories behind them
Cover images of the Journal of Comparative Physiology A and the stories behind them
The cover images of the 2023 issues of the Journal of Comparative Physiology A, as well as its logo image, are presented a...
One seasonal clock fits all?
One seasonal clock fits all?
Adaptation of physiology and behavior to seasonal changes in the environment are for many organisms essential for survival...
Variation in photoperiod response corresponds to differences in circadian light sensitivity in northern and southern Nasonia vitripennis lines
Variation in photoperiod response corresponds to differences in circadian light sensitivity in northern and southern Nasonia vitripennis lines
The circadian clock times physiological and behavioural processes and resets on a daily basis to synchronize with the envi...
A clock for all seasons in the subterranean
A clock for all seasons in the subterranean
In 1976, Pittendrigh and Daan established a theoretical framework which has coordinated research on circadian clock entrai...
Behavioral responses of free-flying Drosophila melanogaster to shiny, reflecting surfaces
Behavioral responses of free-flying Drosophila melanogaster to shiny, reflecting surfaces
Active locomotion plays an important role in the life of many animals, permitting them to explore the environment, find vi...
Monaural and dichotic forward masking in the dolphin’s auditory system
Monaural and dichotic forward masking in the dolphin’s auditory system
Short-latency auditory-evoked potentials (AEPs) were recorded non-invasively in the bottlenose dolphin Tursiops truncatus....
Circadian entrainment to red-light Zeitgebers and action spectrum for entrainment in the jewel wasp Nasonia vitripennis
Circadian entrainment to red-light Zeitgebers and action spectrum for entrainment in the jewel wasp Nasonia vitripennis
Light is the most important environmental cue for the circadian system of most organisms to stay synchronized to daily env...
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