“You’ve already found a bunch of specimens on this expedition and I haven’t unearthed anything of note. A real friend would let me take credit for this.”
She squeals excitedly. “We’re friends? You’re the last person on the expedition I need to befriend to get my friendship degree!”
“Sure, if you give me credit for that fossil, I’ll be your best friend.” You're lying through your teeth, but she believes you.
“Yay! It’s all yours!”
You grin. As easy as taking fossils from a filly.