Did 'The Twelve Days of Christmas' lyrics once say 'colly birds' instead of 'calling birds'?

But some social media users have suggested a noticeable difference in one popular song in particular — "The Twelve Days of ...
BBC

CBeebies Nursery Rhymes

Mr Tumble's Nursery Rhyme Playlist. Continuous PlayMr Tumble's Nursery Rhyme Playlist ...
BBC

Nursery Rhymes with a modern musical twist

Sing along with Mary Pearce to these classic nursery rhymes. Every song has a different modern music style!
Sky

Little Baby Bum

Nursery rhymes and original music for children accompanied by bright, playful animation engage and educate about numbers, shapes, colours and more.