Related Experiment Video
Updated: Aug 5, 2026
08:07
Environmental DNA Sampling from Whale-Watching Vessels for Cetacean Monitoring
Published on: April 10, 2026
Humpback whales match song production to dive patterns
Julia M Zeh1, Marc O Lammers2, Anke Kügler1
1Department of Biology, Syracuse University, College Place, Syracuse, NY 13244, USA.
Current Biology : CB
|August 3, 2026
Summary
Humpback whale songs are tightly linked to their dives. Specific song elements consistently appear during ascent and descent, suggesting sexual selection drives song complexity during deep dives.
Area of Science:
- Bioacoustics
- Animal Behavior
- Marine Biology
Background:
- Complex animal displays require holistic performance studies.
- Humpback whale song is known for structure, syntax, and cultural transmission.
- Studying the complete humpback whale song performance has been challenging.
Purpose of the Study:
- To examine fine-scale movement during humpback whale song performance.
- To understand the relationship between movement and sound production in humpback whales.
- To investigate the function and origin of complex animal displays.
Main Methods:
- Individual-level examination using temporarily attached sound and movement recording tags.
- Analysis of fine-scale movement during humpback whale song performance.
- Correlation of song elements (themes) with specific dive phases.
Main Results:
- A tight correspondence was found between dives and songs, repeated for up to 16 hours.
- Ascent and descent song themes were consistent across individuals and years.
- More theme types occurred at depth, with variability suggesting song sharing under sexual selection.
Conclusions:
- Movement during song performance reveals connections between physiology, environment, and behavior.
- Dive phases influence the structure and variability of humpback whale song themes.
- Sexual selection may play a role in shaping song components during deep dives.
Related Concept Videos
01:06Fixed Action Patterns
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
01:54Convergent Evolution
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.The structures that arise from convergent evolution are called analogous structures. They are similar in function even if they are dissimilar in structure. Further, structures can be analogous while also...
01:20Mate Choice
Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.
01:17Standing Waves
Sometimes waves do not seem to move; rather, they just vibrate in place. Unmoving waves can be seen on the surface of a glass of milk kept in a refrigerator, which is one example of standing waves. Vibrations from the refrigerator motor create waves on the milk that oscillate up and down but do not seem to move across the surface. These waves are formed or created by the superposition of two or more identical moving waves in opposite directions. The waves move through each other, with their...
01:07Speciation Rates
Speciation can proceed at markedly different rates, and evolutionary biologists commonly describe these differences through the models of gradualism and punctuated equilibrium. Both patterns explain how new species arise, but they differ in the tempo and continuity of evolutionary change. In both cases, evolutionary change arises from heritable variation within populations, with natural selection often shaping traits that improve survival and reproduction under specific environmental conditions.