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Related Experiment Video

Updated: Apr 28, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

[Not Available].

¹Département des Sciences Biologiques, Université de Montréal, Montréal, Québec Canada.

Behavioural Processes

|June 5, 2014

Summary

This summary is machine-generated.

Red squirrel vocalizations develop from simple distress calls in newborns to complex alarm and territorial calls by weaning. This study tracks the ontogenetic emergence of these key communication signals in young red squirrels (Tamiasciurus hudsonicus).

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Area of Science:

Zoology
Animal Behavior
Bioacoustics

Context:

Captive-bred red squirrels (Tamiasciurus hudsonicus) provide a controlled environment for studying vocal development.
Understanding ontogenetic vocalization is crucial for species communication research.

Purpose:

To document the emergence and characteristics of vocalizations in young red squirrels.
To analyze the developmental timeline of distinct call types.

Summary:

Newborn squirrels first vocalize distress and discomfort calls.
As hearing develops, distress and threat calls differentiate, and contact calls emerge.
Alarm and threat calls appear with initial forays from the nest, followed by territorial calls around weaning.

Impact:

Provides a foundational dataset for red squirrel communication ontogeny.
Informs future research on the function and evolution of animal vocalizations.
Contributes to the broader understanding of mammalian vocal development and behavioral ecology.