Definition: A taxon is Vulnerable when the best available evidence indicates that it meets any of the
criteria A to E for Vulnerable, and it is therefore considered to be facing a high risk of extinction in the wild.
Definition: position of an organism in a food web. May be described verbally with descriptors including primary producer, herbivore or carnivore. If described numerically, 1 indicates a primary producer, 2 a herbivore, and so on up the food web.