W. Halfwerk

Aggressive responses to rivals depend on the interaction between the vocal traits of territory-holder and mimicked intruders in a miniature tropical frog

The paper investigates how rocket frog aggression depends on the interaction between the vocal traits of territory-holders and mimicked intruders.

Urban sensory conditions alter rival interactions and mate choice in urban and forest tungara frogs

This study examines how urban sensory conditions affect rival interactions and mate choice in urban and forest tungara frogs, showing origin-dependent effects on sexual communication.

Tetrapod vocal evolution: higher frequencies and faster rates of evolution in mammalian vocalizations

The paper compares vocal frequency evolution across mammals, birds, and frogs, finding mammals have higher frequencies and faster evolutionary rates.

Parasite defensive limb movements enhance signal attraction in male little torrent frogs: insight into the evolution of multimodal signals

The paper shows that parasite-induced limb movements in male frogs enhance the attractiveness of acoustic signals by incorporating visual elements, influencing female mate choice.

Effect of anthropogenic vibratory noise on plant development and herbivory

This study examines how vibrational noise from wind turbines affects plant growth and herbivory in Pisum sativum, finding faster growth with high noise but no effect on herbivory.

Amplification of frog calls by leaf substrates: implications for terrestrial and arboreal species

The paper measures how leaves amplify frog calls and finds that amplification depends on call frequency, not leaf size or frog position.

Environmental and morphological constraints interact to drive the evolution of communication signals in frogs

This study investigates how environmental and morphological factors influence the evolution of frog vocalizations, finding that aquatic frogs produce lower-pitched calls, partly due to larger body size.

Floating frogs sound larger: environmental constraints on signal production drives call frequency changes

The paper investigates how altering the environment of calling frogs affects their vocalization frequency by manipulating water levels and observing changes in air pressure and airflow.

An ultrasound absorbing inflorescence zone enhances echo-acoustic contrast of bat-pollinated cactus flowers

The paper identifies an ultrasound-absorbing structure in bat-pollinated cactus flowers that enhances acoustic contrast by reducing background echo.