Parrots are not visible on the shoulders

Parrots are not visible on the shoulders.

Game output:

Couldn't render entity
java.lang.NullPointerException
	at cic.a(SourceFile:82)
	at cic.a(SourceFile:48)
	at cic.a(SourceFile:18)
	at cgb.a(SourceFile:410)
	at cgb.a(SourceFile:179)
	at civ.a(SourceFile:71)
	at civ.a(SourceFile:29)
	at cfg.a(SourceFile:362)
	at cfg.a(SourceFile:349)
	at cba.a(SourceFile:615)
	at cau.b(SourceFile:1178)
	at cau.a(SourceFile:1086)
	at cau.a(SourceFile:944)
	at bob.b(SourceFile:822)
	at bob.a(SourceFile:382)
	at net.minecraft.client.main.Main.main(SourceFile:140)