Woodpecker species, inhabiting the rocky and grassy hills of South Africa, and the Andean flicker is another. The Swiss Ornithological Institute has set up a monitoring program to record breeding populations of woodland birds. This has shown that deadwood is an important habitat requirement for the black woodpecker, great spotted woodpecker, middle spotted woodpecker, lesser spotted woodpecker, European green woodpecker and Eurasian three-toed woodpecker. Populations of all these species increased by varying amounts in the period 1990 to 2008. During this period, the amount of deadwood in the forest increased and the range of the white-backed woodpecker enlarged as it extended
English markers of habitual aspect + used to] tells of a state of affairs that was unfamiliar, but that the speaker/writer is now accustomed to (also sometimes a state of affairs that was once hard and is now simple or easy). "I am accustomed to black coffee" has the same meaning. In Longman Language Activator usual uses of "used to" are shown in the below list: English markers of habitual aspect The habitual aspect is a form of expression connoting repetition or continuous existence of a state of affairs. In English when present time is referred to, there is no special grammatical marker for the