Pesticides

On the last 27 years, there has been a drastic decrease of the Insect life (in Germany).
Industrial use of pesticides, modern farming and global warming are some of the threats.
Insects are the basis of ecosystems. Their disappearance, threats a lot of other species.

You can read more about this here:
https://www.theguardian.com/environment/2017/oct/18/warning-of-ecological-armageddon-after-dramatic-plunge-in-insect-numbers
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This animation was made for the World Migratory Bird Day video. You can check the full project here:
https://www.behance.net/gallery/51954153/World-Migratory-Bird-Day-2017