Beak & Claw Beak & Claw Beak & Claw is the debut EP by Sisyphus (released under the name S / S / S), a collaborative project between Serengeti, Sufjan Stevens, and Son Lux. It was released through Anticon on March 20, 2012. If featured guest appearances from Shara Worden and Doseone. At Metacritic, which assigns a weighted average score out of 100 to reviews from mainstream critics, the EP received an average score of 64% based on 6 reviews, indicating "generally favorable reviews". Austin Trunick of "Under the Radar" gave the album 3 stars out of 10, saying, ""Beak & Claw" is
Psittacine beak and feather disease in prevention. Every new bird that enters a pen with other birds should be quarantined first and be tested for BFDV. Birds which are known carriers should not be introduced into new pens, especially not if those contain young birds. Psittacine beak and feather disease Psittacine beak and feather disease (PBFD) is a viral disease affecting all Old World and New World parrots. The causative virus–"Beak and feather disease virus" (BFDV)—belongs to the taxonomic genus "Circovirus", family "Circoviridae". It attacks the feather follicles and the beak and claw matrices of the bird, causing progressive feather, claw and beak malformation and