The ionizing radiation affects the DNA of the wild animals (wildlife), similarly as it has influence on the DNA of humans.
Explanation:
The Chernobyl disaster was a nuclear accident that occurred on Saturday 26 April 1986, at the No. 4 nuclear reactor in the Chernobyl Nuclear Power Plant, near the city of Pripyat in the north of the Ukrainian SSR. (Reference: Burgherr, Peter; Hirschberg, Stefan (2008). "A Comparative Analysis of Accident Risks in Fossil, Hydro, and Nuclear Energy Chains". Human and Ecological Risk Assessment: An International Journal. 14 (5): 947–973. Direct Reference From officials: chernobyl (International Atomic Energy Agency Vienna International Centre, PO Box 100 A-1400 Vienna, Austria))
Oviparity as well as having amniotic eggs can be found in birds as well as reptiles and amphibians. Mammals are also included along with insects as well. Hope these are correct and these will be of big help in this assignment.