Ash-Shaykh al-Uthaymeen was asked the following question:

Question:

What is the ruling on burying a bird and the likes?

Answer:

Burying them as a form of worship is an innovation, However, if he buries them such that it does not harm the people, then there is no harm

[Kanz uth-Thameen Fi Su’alaat Ibn Saneed no. 770 pg. 176]

Translated by

Faisal Ibn Abdul Qaadir Ibn Hassan
Abu Sulaymaan