Birds at botanical garden

First time poster in here! Took these at a botanical garden using the nifty-two-fifty.

I have very little experience shooting birds so critique away. The backgrounds might be a bit dark but those were the surroundings. Cropping was a challenge, I found.

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Nicely done PC..where was this? The Mac Blo?

Thank you, Gail.

They were taken in the floral conservatory at Queen Elizabeth Park in Vancouver, BC