Version 1 of #3039
I don’t think animals are sentient.
I realize this view sounds outlandish to most but it’s a considered, researched conclusion.
There’s lots of evidence of insentience in the way animals behave. If they were sentient, they would not behave the way they do: https://blog.dennishackethal.com/posts/evidence-of-animal-insentience
Additional reasoning:

Animal-Sentience FAQ
I answer the most frequently asked questions, and address the most commonly raised objections, about animal (in)sentience.

Konrad Lorenz Hacked Animals
Lorenz showed how easily animals like geese can be hacked – they imprint on the first thing they see, revealing how robotic and uncritical their behavior is.

Animal-Sentience Discussion Tree
How I use Twitter discussion trees and Treeverse to track, address, and resolve criticisms on animal (in)sentience, making my position stronger.

The ‘Animal-Rights’ Community Is Based on Fear and Intimidation
Animal-rights activists often rely on fear and intimidation over reasoned debate. This post breaks down common tactics used to silence dissent.