' ' The animals are not eager for territory. In an ideal world, its territories would be established alone to satisfy its necessities alimentary. It has not felt in expending energy to defend a bigger territory that the necessary one. When this occurs is signal of that rea' has food scarcity in that one; ' (Birkhead, T. 1998, p-86).
This work was initiated in the year of 2002 with the rank of the tray in my proper residence and in 2006 it was led to one of the schools where work. The research in that year was developed with the participation of pupils of the basic education of 6a and 7a series that of the window of the school, had access thus the tray with foods offered imprisoned in the pantry of one of the trees planted in the sidewalk of the school and of the classroom was possible to observe instants of the constant visits of the birds and birds of the region of the quarter of City Patriarch, Zone East of S.Paulo. Diverse birds had visited the place during the accomplishment of the works with the pupils. However between the biggest freqentadores we can cite: Wise person Laranjeira (Turdus rufiventris), Sanhao (sayaca Thraupis) and always the present Cambacica (Oereba flaveola). The work enchanted the pupils, however at the beginning the curiosity took them it to be in the window, to see and to photograph the birds, what it finished driving away them. With passing of the time, the pupils had understood the objectives better and had passed then to participate of the research of more objective form, developing tasks such as: to before weigh foods and after the meals of the birds, to still search origin of the animals or scientific and popular names, writing down the time or interval of the meals had as well as learned to observe of discreter form, without scaring the birds that way passed.
