Stand Alone Pages

Saturday, June 24, 2023

Is the Western Fence Lizard Vegetarian or Omnivorous?

Q. Will the Western fence lizards that took up residence in our yard 2 or 3 years ago and ate our tomatoes. Or has it been something else?  They really keep ants down. Thoughts?

Western fence lizard and meal. From https://www.ocregister.com/2010/06/19/lizards-in-your-yard-are-a-good-thing/

A. My understanding is that the Western fence lizard is mostly a meat eater (ants, roaches, spiders) and not a vegetarian (your tomatoes), but I could be wrong. I thought it would be damage easy to recognize such as rats or rabbits (omnivorous and gnawing damage, my first thought) or birds like the boat-tailed grackle (vegetarian and pecking damage).

Gnawing on tomato not from the Western fence lizard.

            Sometimes fruit like tomatoes will ripen ahead of time if they are damaged first. I would rely on the fact tomatoes are climacteric fruit (they will ripen off of the vine and kept at room temperature for a few days) and avoid the problem and harvest them while they are still green but starting to ripen. The fruit turns from a darker green to a lighter green as part of the ripening process. If this is an "animal" problem, they are sensing ripening fruit and either smell this or see it.

Bird damage on grapes

            This may not be an "animal" problem at all. It might be best to stay ahead of the problem instead of trying to figure it out.

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