Canary Islands chiffchaff Canary Islands chiffchaff The Canary Islands chiffchaff ("Phylloscopus canariensis") is a species of leaf warbler endemic to the Canary Islands, Spain. Sometimes the English name is spelled Canary Island chiffchaff. Previously the Canary Island chiffchaff was considered as a subspecies of the common chiffchaff ("Phylloscopus collybita"). Now it is recognised as a separate species under the name "Phylloscopus canariensis". There are two recognised subspecies but the Lanzarote subspecies is probably extinct; they are. The Canary Islands chiffchaff is similar to the common chiffchaff and the Iberian chiffchaff but compared to the common chiffchaff it has a longer bill, shorter wings
Gleaning (birds) Gleaning (birds) Gleaning is a feeding strategy by birds in which they catch invertebrate prey, mainly arthropods, by plucking them from foliage or the ground, from crevices such as rock faces and under the eaves of houses, or even, as in the case of ticks and lice, from living animals. This behavior is contrasted with hawking insects from the air or chasing after moving insects such as ants. Gleaning, in birds, does not refer to foraging for seeds or fruit. Gleaning is a common feeding strategy for some groups of birds, including nuthatches, tits (including chickadees), wrens, woodcreepers, treecreepers, Old