Keberadaan Kebun Binatang Surabaya sebagai tempat untuk menjaga keberlangsungan spesies yang terancam punah menuai kritik karena terdapat indikasi adanya kekejaman terhadap satwa di dalamnya. Melalui sudut pandang species justice, manusia seharusnya bertanggung jawab terhadap spesies lain, namun berdasarkan kasus yang terjadi di Kebun Binatang Surabaya manusia merupakan subjek utama yang melakukan kekejaman terhadap satwa. Berbagai kasus yang menjadi temuan data dalam tulisan ini menunjukkan adanya bentuk kekejaman terhadap satwa yang berupa kematian satwa, kehilangan, dan kelalaian yang menyalahi kondisi positif dari animal welfare. Penulis menyimpulkan bahwa pihak pengelola Kebun Binatang Surabaya telah melakukan pelanggaran hak-hak satwa karena lalai menyediakan perlindungan terhadap satwa di dalamnya sehingga perlu dilakukan penindakan dengan tegas. Meskipun uraian data mengenai kondisi satwa Kebun Binatang Surabaya tergolong kekejaman terhadap satwa, namun belum ada payung hukum yang kuat. Penggolongan kekejaman terhadap satwa sebagai tindak pelanggaran pidana dapat menjadi solusi untuk mencegah terjadinya kekejaman terhadap satwa lainnya.

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The existence and role of Surabaya National Zoo as a safe haven for endangered species intice many critics due to indications of acts of cruelty against animals practiced inside the zoo by the its staff and management. Based on the perspective of species justice, humans are responsible for the well-being of other species. However, based on the case that took place at Surabaya National Zoo, humans were the main perpetrators of acts of cruelty against animals. Many cases included in this paper indicates acts of cruelty that inflicts harm to the extent of causing death, the loss of animals from captivity, and the unprofessionalism in the zoo keeping practices which violates the possitve conditions of animal wellfare. The author of this paper concluded that the zoo's management have committed violations against animal rights due to their failure in providing safe haven for the animals under their captivity and must be severely punished. Even though the data in this paper are categorized as acts of cruelty against animals, there has yet to be any law that protects animals from said cruelty. The construction of animal cruelty as a violation against the law may be the solution in preventing other and/or possible cases of acts of cruelty against animals.