This review summarizes all reported and suspected functions of ultrasonic vocalizations in
infant and adult rats. The review leads to the conclusion that all types of ultrasonic …

The notion that men are more variable than women has become embedded into scientific
thinking. For mental traits like personality, greater male variability has been partly attributed …

Papers on sexual selection often highlight the incredible diversity of sexually selected traits
across animals. Yet, few studies have tried to explain why this diversity evolved. Animals use …

Ultrasonic vocalizations (USVs) fulfill an important role in communication and navigation in
many species. Because of their social and affective significance, rodent USVs are …

Highlights•Rodents exhibit extreme variation in acoustic signal structure.•Intraspecific
acoustic variation is often overlooked.•Acoustic variation is associated with ontogenic, social …

Vocalization is a widespread social behavior in vertebrates that can affect fitness in the wild.
Although many vocal behaviors are highly conserved, heritable features of specific …

Animals engage in complex social encounters that influence social groups and resource
allocation. During these encounters, acoustic signals, used at both short and long ranges …

Rodent diversification is associated with a large diversity of species-specific social
vocalizations generated by two distinct laryngeal sound production mechanisms: whistling …

Pair-bonding allows for division of labor across behavioral tasks such as protecting a
territory, caring for pups or foraging for food. However, how these labor divisions are …

Deer mice (genus Peromyscus) are an emerging model for aging studies due to their
longevity relative to rodents of similar size. Although Peromyscus species are well …