a family of diurnal birds of prey, notably the falcons and caracaras. They differ from hawks, eagles, and kites in that they kill with their beaks instead of their talons. Crested caracara, Caracara plancus (A) Eurasian kestrel, Falco tinnunculus (C) American kestrel, Falco sparverius Merlin, Falco columbarius Gyrfalcon, Falco rusticolus Peregrine falcon, Falco peregrinus Tyrant flycatchers Order: PasseriformesFamily: Tyrannidae Tyrant flycatchers are Passerine birds which occur throughout North and South America. They superficially resemble the Old World flycatchers, but are more robust and have stronger bills. They do not have the sophisticated vocal capabilities of the songbirds. Most, but not all, are rather plain. As the name implies, most are insectivorous. Ash-throated flycatcher, Myiarchus cinerascens (A) Great crested flycatcher, Myiarchus crinitus (A) Sulphur-bellied flycatcher, Myiodynastes luteiventris (A) Tropical kingbird, Tyrannus melancholicus (A) Cassin's kingbird, Tyrannus vociferans (A) Western kingbird, Tyrannus verticalis (A) Eastern kingbird, Tyrannus tyrannus Grey kingbird, Tyrannus dominicensis (A) Scissor-tailed flycatcher, Tyrannus forficatus (A) Fork-tailed flycatcher, Tyrannus savana (A) Olive-sided flycatcher, Contopus cooperi Western wood-pewee, Contopus sordidulus (A) Eastern wood-pewee, Contopus virens Yellow-bellied flycatcher, Empidonax flaviventris Acadian flycatcher, Empidonax virescens (A) Alder flycatcher, Empidonax alnorum Willow flycatcher, Empidonax traillii (A) Least flycatcher, Empidonax minimus Hammond's flycatcher, Empidonax hammondii (A) Dusky flycatcher, Empidonax oberholseri (A) Pacific-slope flycatcher, Empidonax difficilis (A) Eastern phoebe, Sayornis phoebe Say's phoebe, Sayornis saya (A) Vermilion flycatcher, Pyrocephalus rubinus (A) Vireos, shrike-babblers, and erpornis Order: PasseriformesFamily: Vireonidae The vireos are a group of small to medium-sized passerine birds mostly restricted to the New World, though a few other members of the family are found in Asia. They are typically greenish in colour and resemble wood warblers apart from their heavier bills. White-eyed vireo, Vireo griseus (A) Bell's vireo, Vireo bellii (A) Yellow-throated vireo, Vireo flavifrons (A) Blue-headed vireo, Vireo solitarius Plumbeous vireo, Vireo plumbeus (A) Philadelphia vireo, Vireo philadelphicus Warbling vireo, Vireo gilvus (A) Red-eyed vireo, Vireo olivaceus Shrikes Order: PasseriformesFamily: Laniidae Shrikes are passerine birds known for their habit of catching other birds and small animals and impaling the uneaten portions of their bodies on thorns. A shrike's beak is hooked, like that of a typical bird of prey. Brown shrike, Lanius cristatus (A) Loggerhead shrike, Lanius ludovicianus (A) Northern shrike, Lanius borealis Crows, jays, and magpies Order: PasseriformesFamily: Corvidae The family Corvidae includes crows, ravens, jays, choughs, magpies, treepies, nutcrackers, and ground jays. Corvids are above average in size among the Passeriformes, and