Researchers have discovered that scarlet macaws purposefully neglect feeding the youngest chicks in most broods, even when resources are plentiful. This results in only one or two chicks being able to ...

A cheeky pet cockatoo pulled the tail of a macaw while perched on ... Greta refused to let go as Scarlet tried to pull away and even used its beak to prevent its friend from making distance.

"We found that 26% of second chicks in scarlet macaw broods and nearly all third and fourth chicks die before fledging. "We tested several theories as to why these younger chicks don't survive ...