My male Eclectus Pepi, has been a flying nightmare lately. He has gone from being sweet, affectionate and talkative to being moody, unpredictable and often downright nasty. It happened overnight and hasn’t been accompanied by any of the usual signs of sickness.

Of all of my birds, it’s Pepi who seems to have the nastiest bite. He has this knack for getting a tiny bit of skin pinched in his beak. When something ...