They have a large amount of cattle. Just read an article in the FT (would link but on mobile) about Ireland looking to cull 200k cows to help balance their methane emissions.
Montana has more cows than humans.
Montana has more than twice as many cows as humans.
1.1 million residents and 2.6 million head of cattle.
[1] https://ahdb.org.uk/news/irish-cattle-and-sheep-numbers-rise...
At New Zealand's peak we had a 22 sheep to person ratio, now it's still 5 to 1.
New Zealand also has >2 to 1 ratio of cows to humans as well.