| Impact ID | 3990 |
| Impact Type | Disease/Parasite/Toxicity |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Dense mats of Hydrilla create a microhabitat for the toxic cyanobacteria Aetokthonos hydrillicola, which are eaten by native birds, including coots and bald eagles, which infect the animals with avian vacuolar myelinopathy. |
| Reference | 35572 |
| Cost | |
| Location | Arkansas, USA |