phalarope: small sandpiper-like shorebird having lobate toes and being good swimmers; breed in the Arctic and winter in the tropics
shorebird: any of numerous wading birds that frequent mostly seashores and estuaries
logic bomb: a set of instructions inserted into a program that are designed to execute (or `explode') if a particular condition is satisfied; when exploded it may delete or corrupt data, or print a spurious message, or have other harmful effects