He came to spring training last season with shoulder-length hair and never cut it as he rehabbed from Tommy John surgery.

WSJ: The New York Lumberjacks: Mets Definitely Don't Have a Facial Hair Ban

This means the spring floods that cleared the river of vegetation no longer happen, making it difficult for the cranes to use the length of the river to roost out of range of most predators.

BBC: Nebraska��s awe-inspiring crane migration