Taming going great!

[Deleted]

Sorry I have been off the forum for a while. I was celebrating Chinese New Year and enjoyed the weekend with my buds. I was letting them fly in the room as Biscuit has always been fiddling with the door wondering how the I open the door. Biscuit will eagerly fly out of his cage to perch on the perch I have made for them out of natural branches. He loves it and will sit preening and will allow me to walk around but will scuttle around the perch. Bluey is the opposite. He loves his cage but he will step up on my finger to allow me to take him out of the cage. They will sit together on the perch and preen. Biscuit is very good at flying and will not fly into the walls anymore. If I take him away from the perch he will fly back and land exactly where he wants to, and never missing. I have been using veggies as treat and it's a great treat, they just LOVE their veggies and fruits. So far I have tried with:
Bougainvillea flower. result: budgies don't like it.
Romaine lettuce. result: ooo yummy!
Green leaf lettuce. result: so tasty
mint: nice!
parsley: this is OK.
Pandan leaves straight from my garden: love shredding this stuff!
Kale: Can't get enough of this stuff!!
Watermelon: nice!
Bluey will willingly step up on my hand to get their favorite veggie, kale!
Biscuit is more cautious and he will nibble from the side and usually put one foot up, sometimes he puts 2 feet up and nibbles, but he's nibbling my finger at the same time to tell it to don't do anything suddenly like grab him. He uses the hand as a stepping stone to get to places often. 
Here's a video I'd like to share of Biscuit flying to his perch.
vimeo.com/512339005/88fcf7789a
As you can see, I am using a different cage that has a grate because Biscuit has been going to the bottom of the cage and eating his poo. Can anyone explain why he is doing this?? 

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Hezz and Marianne Marlow, do you know why Biscuit is eating his poo? I heard it is because they need calcium, but my budgies have a mineral block and cuttlebone so not sure why?

[reenie]

It's brilliant that training is going well. It's so rewarding when they trust you more and more, and usually a little harder to achieve with 2, as they don't need you for company in the same way that a single does.
I wouldn't worry about them eating poo, it's normal. It's something that we find unsettling as humans, but very common in the animal world. I have guinea pigs and eating poo helps keep their gut bacteria healthy. I don't know if the same is true of budgies, but unless you have any other concerns about them, eating poo is nothing to cause concern.
I'm not an expert, so someone may give you a better explanation or guidance.

[Deleted]

Thanks for the reply reenie! Also today my budgies trust me more, Biscuit and Bluey will step up very eagerly on my hand to eat the veggie. they will also eat seeds from my hand if they are hungry. So far so good!

[Deleted]

I have been observing Biscuit and noticed that he is not eating the poo, just scraping it off the perches to keep their cage clean. I heard this is normal behaviour.