Bald-faced hornet is constructed too close to human habitation. They vigorously defend the nest, with workers stinging repeatedly, as is common among social bees and wasps. However, the baldfaced hornet has a unique defense in that it can squirt or spray venom from the stinger into the eyes of vertebrate nest intruders. The venom causes immediate watering of the eyes and temporary blindness. The life cycle of a colony can be divided into the founding stage, the ergonomic stage and the reproductive stage. Colonies show annual cycling. New nests are generally founded during spring and early summer by a single queen, though
Bald eagle its common and specific scientific names from the distinctive appearance of the adult's head. "Bald" in the English name is derived from the word "piebald", and refers to the white head and tail feathers and their contrast with the darker body. The genus name is New Latin: "Haliaeetus" (from the ), and the specific name, "leucocephalus", is Latinized () and (). The bald eagle was one of the many species originally described by Linnaeus in his 18th century work "Systema Naturae", under the name "Falco leucocephalus". There are two recognized subspecies of bald eagle: The bald eagle forms a species