Seemed huge for a bird, and crumbling. Found on the river bank.
These were all in an owl pellet
Found ashore and buried on the beach.
On feathers. Stalked with brown spore mass. Hyphae septate. Spores oval with 2 gluttules, 4.6-5.75×2.53-2.99 uM, avg 5.19×2.73 n=7
4.5 cm
Humerus, I think from a pigeon.