Natural predators include sharks and predatory cephalopods. Predatory and parasitoidal wasps subdue their prey by stinging it. The European rabbit is prey to many different predatory species. ACORN investigated complaints against companies accused of predatory lending practices. Flexirent is alleged to have strong elements of predatory lending practices. Associating OA with predatory publishing is therefore deceptive. They are also referred to as predatory/abusive strategies. The EU issued a brief accusing Microsoft of predatory and monopolistic practices. This bill was intended to put an end to predatory lending activities. These nematodes are in turn consumed by omnivorous predatory nematodes. Swarming also describes groupings of some kinds of predatory bacteria such as myxobacteria. This has led to accusations of unfairness and predatory behaviour. Boys who are victims of sexually predatory teenage girls can also be devastated. A large number of mammals and predatory birds have a brown coloration. This may be a relic of an ancient instinct to detect predatory animals.