Magazine
Learn to document signs of activity without handling wildlife or assigning a species when the evidence cannot support identification.
Magazine
Observation-guide · 2 min
An observation record can describe damage and remains without turning them into an identification. The available evidence documents insects feeding inside seeds and squirrels eating tree seeds, but it does not provide a general visual key for attributing a mark to an animal.
Observation-guide · 3 min
A feather has observable features—shape, structure, and pattern—that can be compared with references. But a visual match alone does not amount to a confirmed identification. Here, we distinguish what can be described from what the available evidence does not allow us to attribute.
Observation-guide · 2 min
A mark on a leaf can be recorded as damage, but that alone is not enough to attribute it to an animal or distinguish its cause. A study of tropical plants compared methods for quantifying leaf damage and found different biases in visual and automated estimates. [3556]
Observation-guide · 2 min
Before assigning a name, record the print’s size and the arrangement of the trackway. A description can remain useful even when the species is unconfirmed.