It inhabits arid woodland and scrub with spinifex, eucalypts, acacias, etc. Forestry in Madagascar involves many exotic species such as eucalypts, pines and acacias. Common plants include the Proteaceae (grevilleas, banksias and hakeas), tea-trees, acacias, boronias, and eucalypts. It builds nests in trees (mostly acacias or baobabs). Flowering acacias flourish on the arid Jaffna Peninsula. The flowers at the wedding consisted of azaleas, acacias, callas, tulips, and hyacinths. In the oasis grow groups of palms, tamarisks, acacias, esparto and Juncus. The park's savannah grasslands support a low density of acacias. In spring yellow-flowered acacias colour the hills. Many non-Australian species tend to be thorny, whereas the majority of Australian acacias are not. The leaves of acacias are compound pinnate in general. The fields, acacias and rice paddies have gone, replaced by high rise apartments. Acacias with wild olives are the predominant flora in the remainder of the Sahara. Highly tannic barks are common in general to acacias. Like other acacias and Fabaceae it is a nitrogen fixer, so improves soil fertility.