Around here, there have been predator deaths from ingesting bromethalin, presumably from poisoned rodents.
Here is a recent paper;
In 2020, Tufts Wildlife Clinic Director Maureen Murray, V03, published a study that showed 100% of red-tailed hawks tested at the clinic were positive for exposure to anticoagulant rodenticides (ARs). Such exposure occurs when these chemicals are used to kill mice or rats, which eat the poison...
phys.org
The author had previously published that 100% of the red tailed hawks that were tested were positive for anticoagulant rodent poisons.
We stick to outdoor cats, which are admittedly imperfect. I used to roll lawns, but it never seemed to deter moles much, but that was on some sandy, shady, damp soil that was pretty much perfect for moles. I eventually got to the "live and let live" page.
All the best,
Peter