In reply to you & canon's second reply showing the LR settings. I make another (I just started trying this)virtual copy of the original & just started messing around with/in LR6 trying to match Topaz DN for the sake of the learning to do it in LR. I'm pretty sure they do more than just reduce noise & sharpen. I had to go back up the basics panel & make a few more adjustments to get it to match or come close.
Do you try the different options in DN? I go back & forth in Topaz DN looking to see which one keeps as much detail as possible while reducing noise. With a few photos, LR did a better job of it.

I liked your first image very much, but your second image not so much. The background of your second image clutters the image stealing attention away from your subject, the beautiful bird. Additionally, I attended a presentation of a very fine bird photographer and he said (among other things) that "it's not polite to take a picture of a bird from behind". He was saying that, in general, a frontal view is usually better that a rear view.

Your first image is right on. The only thing I felt was needed was some finishing touches:
1) Crop: getting rid a lot of the extra space and focusing on the bird. But the crop should allow space in front of the bird for him to walk into.
2) Sharpening: I didn't see any problem with noise, but I tried sharpening a little more to bring out some additional feather details. It also sharpened the face/beak just a little also.
3) background exposure: I gradually reduced the brightness of the background from the bottom up. This provided additional exposure contrast between the egret and the water.
4) Color Cast: I used a blue filter to cool the overall image just a bit adding a little blue back into the water. The blue also provided a little more color contrast between the egret and the background especially the face.

Hope this helps
Mike

William shows some of the options for re-editing. The images report LR5, but most of the Detail sliders are at their defaults when I look at the enclosed EXIF details of the attachment. Consider these two topics to use all the enhanced capabilities of Lightroom:

Basics of noise processing

Basics of Lightroom Sharpening

Also, always look at your images at the 1:1 pixel-level. That full-screen view of the fine details of the images help you 'see' your cropping options for dramatic results such as William shows. Use the 'virtual copy' feature of LR to maintain different versions of the same image. The egret could be cropped again in an VC to 16:10 with the bird filling the entire screen and the legs cropped just before they enter the water, showing the excellent pixel-level details and sharpness of the bird capturing a small snack.