How many cows graze in deciduous woodland?

It's impossible to say exactly how many cows graze in deciduous woodland without more information. Here's why:

* Deciduous woodland is vast: The amount of deciduous woodland varies greatly across the globe.

* Farming practices differ: Some regions have large-scale cattle ranching, while others have small farms or none at all.

* Seasonality: The number of cows grazing in deciduous woodland might change depending on the season.

* Specific location: The answer would depend on the specific deciduous woodland you're interested in.

To get a more specific answer, you'd need to consider:

* Location: Which country or region are you interested in?

* Size of the woodland: Is it a small patch or a large forest?

* Type of farming practices: Are there large-scale farms, small farms, or no cattle grazing at all?

Let me know if you have more information!