In this close up view of bayberries you can clearly see a whitish waxy coating. Bayberries are boiled to melt this wax for use in bayberry scented candles. One of the berries has been nibbled by a herbivore, most likely a insect. You can see from the nibbled surface how the wax forms a layer across the surface. Clearly the berry was distasteful to the (presumed) insect that was eating it as...
This is the resource folder for a photographic case study on the Yellow-rumped Warbler. This bird is unusual among warblers in its ability to eat Bayberry seeds. This ability give is a winter food source that minimizes it's need to migrate affecting the way it interacts with its ecosystem. This case explores this aspect of migratory bird biology while developing observational skills and...
Laboratory exercise to teach undergraduates about factors determining territory size. It begins with dissecting owl pellets and leads students through a series of calculations. A key theme is the ability to make and defend valid estimations.
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