The 'bird friendly' approach that is being adopted for the Metro Line 4 project has been hailed by the nature and wildlife lovers for trying to balance development and conservation. A report in this paper mentioned how birds affected by the infrastructure projects in the city will be relocated within the MMR.

About 400 trees will be replanted for the Wadala-Thane-Kasarvadavli Mumbai Metro Line 4, and the hatchlings found in nests will be relocated to the trees transplanted in MMR, after they are fostered into adult birds. The eggs found in nests on the trees will be incubated and the adult birds will be relocated similarly.