The smell emitted by a dead pigeon is comparable to the smell caused by the buildup of waste and fecal matter that develops in and around any pigeon roosts. Unfortunately, pigeons often find their way into ventilation and heating shafts or chimneys and remain there, unnoticed, until the dreadful smell begins.

How long does a dead bird smell last?

Depending on the size of the animal and environmental conditions in the area of its death, the dead animal can create a lingering smell that can last for several days to weeks and months. The horrific smell will linger until the animal carcass has completely dried out.

Do birds smell when they decompose?

If you can’t remove the animal yourself, call a professional and treat the odor in one of these three ways: Remove stinky particles from the air with an air cleaner that includes an absorbent filter activated with charcoal or silica gel.