A whale’s great size tells us little by itself about how it gathers food. Looking at the feeding structures directs attention toward a process that a distant photograph may not reveal.
NOAA Fisheries distinguishes baleen and toothed whales. Baleen whales use filtering structures, while toothed whales have teeth. The groups contain species with different prey and behaviours, so neither label should become a complete description of every meal.
When reading a species account, make a three-part note: the food named, the feeding structure and the behaviour used to obtain it. Keep the species attached to those notes. A detail from a blue whale account should not automatically be transferred to another whale because both are large.
Use a sequence, not a single dramatic image
A photograph of an open mouth captures a moment. To understand the process, look for an educational explanation showing what happens before and after that moment. Ask where water and prey move, and which parts of the account are directly observed.
For a family learning activity, compare two official species pages and draw different arrows for the described feeding actions. Label the drawing as a simplified explanation rather than an anatomical diagram.
This is a reading exercise, not a reason to approach feeding wildlife. Follow local viewing rules and qualified operator guidance on any trip. The interesting discovery is that enormous animals can meet their needs through very different arrangements of structure, prey and movement.
Illustration selected from this site’s existing collection.