How old should a male rat be before the testicles start showing?

I got a pet rat from Petco a few weeks back. My cousin got one the other day. Her rat and my rat are definitely males but hers is older. Enough were her rats testicles are prominent. My rat's are not. He's a young rat so I am wondering, when should his testicles be prominent?

So i found an almost dead twitching squirel …?

and i was wondering if you guys think it will still be alive by tomorrow cuz i wanted to gift it to someone

How long do leopard geckos need to adjust to new habitat?

Ok, I just got a new baby leopard gecko yesterday. I have also a 1 year old leopard gecko. I put both of them in a 40 gallon tank with a divider so they do not interact. I know they are stressed out with the new environment and they won't eat. How long will the geckos need to adjust to their new habitats? And when wanting to feed the geckos, should I just not even disturb them? For how long?

What is the best bedding for a ball python?

I've had my ball python for many years, and I've used many different types of bedding.
What kind of bedding do you use for you ball python, or snakes in general?
Also, is there any reason you prefer that type of bedding than other types?

What does cadence mean in horse terms? And how important is it in horses training?

I keep trying to look it up for what it means for horses and how important it is for horses training, but cannot seem to get a clear answer. So I ask, What does cadence mean in horse terms? And how important is it in horses training? Thanks.

What dog toys/bones are the best for dogs who are chewers?

My 6 month old Cocker Spaniel puppy seems to be able to quickly chew through most dog toys. What are the best toys/bones to give him to keep him happy, but won’t be easily destroyed?

Which kind of map turtle is affordable but cute at the same time?

I wanted to put my pinkbelly sideneck turtle in the same tank as a red ear slider, but I've been getting comments that it is not a good idea to put the two together. So instead of the sideneck turtle, I decided I might get a map turtle. I like the Black knobb turtle, but it's way too expensive. I need something that is under 40 because shipping is pretty expensive as well. Any suggestions?

What is the difference between a real and false rabbit pregnancy?

My rabbit might be pregnant, but it might be false so I need to know the difference in the symptoms. Please help me!