The purpose of this study is to investigate not only fourth grade students' knowledge, attitudes and behavior but relations between the three towards wildlife, following by an analysis of differentiation caused from gender, districts, the education level of their parents. 743 fourth grade students selected from 16 schools come from urban area of Taipei and the outskirt of Taipei. The design of the study is both qualitative and quantitative. In the quantitative part, all the sampling students' written questionnaire was analyzed. Firstly, collect and analyze data by using questionnaire in the qualitative part. After that, 16 students who were chosen from 4 schools were interviewed through semi-construction interview to realize the activities and internal thinking of the 16 students. The main findings of this are: 1. The major sources of fourth grade students' wildlife knowledge mainly comes from visiting zoo and natural scientific museum. In addition, Internet, printed material, school curriculum, mass media, and camping activities also play some roles of the sources. The channels that students learn from wildlife are various. 2. In students' knowledge towards wildlife: Children show their basic acknowledgement of wildlife. Besides, there is no significant difference in gender and districts items. However, there is significant difference in the education level of their parents. 3. In students' attitudes towards wildlife: Children show their positive and enthusiastic attitudes. Besides, there is no significant difference in gender and districts items. However, there is significant difference in the education level of their parents. 4. In students' behavior towards wildlife: Children show unenthusiastic behavior. Besides, there is no significant difference in districts items. However, there is significant difference in gender and education level of their parents. 5. There is positive significant correlation between fourth grade students' knowledge, attitudes and behavior towards wildlife. Researcher also proposes suggestions to instructions in Science teaching and future relevant researches from the results of the studying.