Merlin (bird) this phenomenon is due to the fluctuations of supplementary food stocks discussed above. Merlin (bird) The merlin ("Falco columbarius") is a small species of falcon from the Northern Hemisphere, with numerous subspecies throughout North America and Eurasia. A bird of prey once known colloquially as a pigeon hawk in North America, the merlin breeds in the northern Holarctic; some migrate to subtropical and northern tropical regions in winter. Males typically have wingspans of , with females being slightly larger. They are swift fliers and skilled hunters who specialize in preying on small birds in the size range of sparrows to
Large green pigeon in search of fruiting trees. Although this bird is primarily active during the day, nocturnal movements have been noticed. The largest threat to the large green pigeon is the deforestation of its forest home. Large amounts of its original habitat have been cut down due to illegal logging and making way for palm oil plantations which have also had a devastating effect on other species. Large green pigeon The large green pigeon ("Treron capellei") is a species of bird in the family Columbidae. It is found in Brunei, Indonesia, Malaysia, Myanmar, and Thailand. Its natural habitat is subtropical or tropical