1. The Communication category is aimed at any kind of communication or promotional activities that explicitly focus on raising awareness or bringing lasting positive changes in attitudes or behaviour towards Natura 2000. They can be large-scale, or small- scale actions, and their target audiences can be specific or general.
2. The Conservation on land category is aimed at conservation activities on Natura 2000 sites that improved the conservation status of terrestrial species or habitats protected on the site(s) in question. Applications submitted under this category would typically focus on best-practices or particularly successful conservation achievements. 
3. The Cross-border cooperation category is aimed at any collaborative endeavours that positively benefit Natura 2000. These collaborations can be between different partners coming together over a common theme or problem, or they can be true cross-border collaborations across institutional, regional or national borders. They must show a concrete impact on at least one Natura 2000 site.
4. The Marine conservation category is aimed at conservation activities that take place on coastal or marine Natura 2000 sites that improved the conservation status of marine or coastal species or habitats protected in the site(s) in question. Applications submitted under this category would typically focus on best-practices or particularly successful conservation achievements.
5. The Working together for nature category is aimed at applications featuring a concrete positive impact on Natura 2000 through the creation of social or economic benefits for local people or communities, and / or through the resolution of conflicts bringing together stakeholders who were not originally inclined to work together.

Find out more information about the categories here.