this is all pretty normal. most dragons freka out when the come in contact with the outdoors and the sun. its so much birhgter than what their used to. The color change can either be he's upset or turning darker to absorb more heat. and the birds going overhead tell them instictively that a predadtor is coming. they do the same thing to planes. the sun is the very best source of UVb and in order to ahve happy healthy dragons they should get about 1-2 hours of sun as often as possible.

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