dirt or ticks?

[skazzy]

can anyone explain what this is i may think this is dirt but it’s hard to get out

 

[sourland]

Looks like dirt to me.

 

[rosemarythyme]

Dirt most likely. Part the feathers and check the skin itself for pests.

 

[MysteryChicken]

Dirt.

 

[aart]

Or burrs/seeds.