This is the definition of “curious” when you look in the dictionary.
The bird is a Nazca Booby on Española Island, Galapagos.
It was working with its’ partner making a nest in the middle of the trail. We detoured slowly, not disturbing them.
The white material is called locally “Galapagos snow”.
photodyssey 
A face only a mother could love! They are cute.