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BiologyCompared with most of its Galapagos relatives, the Cocos finch is more of a generalist in its foraging habits. However, individual birds tend to specialise in a small selection of the various techniques employed by the species as a whole. For instance, while some Cocos finches may forage mainly for insects resting on foliage, others may feed predominately on soft fruit or nectar (2) (6) (7). The comparatively wide range of foraging habits exhibited by the Cocos finch is thought to be indicative of the absence of competition (6). Little is known about the reproductive biology of the Cocos finch, but the clutch size appears to be two eggs and nesting occurs year round with a peak between January and May (2) (8).