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
Lexical aspect examples of lexical aspect in English that involve change (an example of a State is 'know'). Another categorization is that described by Moens and Steedman based on the idea of the event nucleus Lexical aspect The lexical aspect or aktionsart (, plural "aktionsarten" ) of a verb is a part of the way in which that verb is structured in relation to time. Any event, state, process, or action which a verb expresses—collectively, any "eventuality"—may also be said to have the same lexical aspect. Lexical aspect is distinguished from grammatical aspect: lexical aspect is an inherent property of a (semantic)