Trapped in a good book

Silver Claw sighed. “Tangle Claw... don’t be so mouse brained... I'm not that stupid! Before we came here, I made sure that we’d be able to get back!" Silver Claw rolled her eyes, “Remember? We can check on Ponyville once in a while.”
“But when?! Silver Claw, I miss home.” said Tangle Claw, trying not to cry in front of her friend. At this point Silver Claw was able to see the desperation in her eyes, but she knew she had no other way to help her friend. She had to tell her.
“Tangle Claw, I'm sorry, I don't know when we’ll go back...I-” before the she-cat could finish, she was interrupted by a yowl of desperation.
“WHAT?! Why didn't you tell me before?!" Tangle Claw didn't wait for a response, she turned her head away and struggled to get to her paws.
“Wait... I wasn’t done. Do you think...you can do me a favor and go hunting?” Silver Claw wasn't sure if she just irritated her friend more, or if she helped in any way.
“Well...okay...I guess it couldn’t hurt to eat a little bit.” the fiery orange she-cat sat and licked her chest a couple of times, then heard her stomach growl. She didn't think it was that loud, but when she looked up at her friend she couldn’t help but let out a purr of amusement. The orange she-cat turned and bounded through the bushes with one leap.
At that Silver Claw trotted to where she saw her friend leap away and called after her, “Don't go too far! You haven't gotten used to your sense of smell yet!” she could only hope her friend heard her. After her friend disappeared, she began collecting twigs, sticks, branches, and logs. There was a hole where her friend left so she weaved the twigs inside of it to leave a neat tunnel so her friend could get back home without trouble. After that, she did the same with the bushes and ferns surrounding the border, being careful to keep the branches with thorns on the outer side of the wall. As soon as she finished, she heard a yowl coming from the entrance. She quickly ran to her den. When she knew she was safe she peeked out to see what had startled her. It was her friend... but why? She should still be hunting. She stepped out cautiously.
“Tangle Claw, what’s wrong?”
Tangle Claw was gasping for air, standing over a small vole. “I...I heard something. I heard something running... and sniffing.” there was pure terror in her friends eyes.
What was the big deal? It was only a few sounds...perhaps it was partly her thoughts from last night? What ever it was it didn't seem very dangerous.
All of a sudden... there was a rustling noise from the entrance...what could possibly be intruding in on the two cats?!

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