What is the function of horizontal cells in the eye? launchpad?

I believe the horizontal cells combine information laterally across the retina, they communicate between neighboring groups of photoreceptors and bipolar cells enhancing contrasts and adjusting photoreceptor sensitivity to light levels. That is; they  integrate and regulate the input from multiple photoreceptor cells. Additionally, they are responsible for allowing eyes to adjust so as to see well under both the dim and bright conditions. They also provide inhibitory feedback to cone and rod photoreceptors. 

Global warming is melting the glaciers ‍♀️

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.