The subject of this call for tenders is service contract for the provision of pan-European bird observation data, indicators, mapping products, capacity building and scientific support for EU environmental policy. The overall objective of the contract is to ensure the continuity in the production and update of the EU policy-relevant Common bird indicators (farmland, forest and urban), to develop new ones in line with the policy needs and further development of a publicly accessible, pan-European service delivering almost on daily basis bird observation data and derived products for the benefit of the Union environmental policy.