Answer:
- Some wounded thing, by the evidence a large animal, had thrashed about in the underbrush;
- the jungle weeds were crushed down and the moss was lacerated; one patch of weeds was stained crimson.
Step-by-step explanation:
These are the two details that show that Rainsford is an experienced hunter and outdoor enthusiast. In the first sentence, Raisnford tells us that he noticed that some animal had thrashed around, as if it had been wounded. In the second sentence, we learn that Rainsford has analyzed the way the weeds and the moss look, and this has confirmed his previous suspicions. Both statements show Raisnford abilities and experience.