See Browning, H., Veit, W. Positive Wild Animal Welfare. Biol Philos 38, 14 (2023). https://doi.org/10.1007/s10539-023-09901-5
The paper mostly argues that existing arguments for net negative lives are unsound, not that wild animals actually have net positive lives.
The authors could also be good candidates to argue against net negative lives in a debate.
See Browning, H., Veit, W. Positive Wild Animal Welfare. Biol Philos 38, 14 (2023). https://doi.org/10.1007/s10539-023-09901-5
The paper mostly argues that existing arguments for net negative lives are unsound, not that wild animals actually have net positive lives.
The authors could also be good candidates to argue against net negative lives in a debate.