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
Comoros olive pigeon Comoros olive pigeon The Comoros olive pigeon ("Columba pollenii") is a species of bird in the family Columbidae. It is found in Comoros and Mayotte. Its natural habitat is subtropical or tropical moist montane forests. It is becoming rare due to habitat loss. Although described as locally common in parts of Grand Comoro, the Comoros olive pigeon is in general a fairly scarce bird with a small total population. The chief threat it faces is the clearance of the forest habitat in which it lives, but it is also hunted on each of the four islands on which it is