Can a photographer review my photos?

I'm new to photography and would love input to improve. I'm using a nikon d5000.

User: dmangus on flickr

Excellent photography all around: color, composition, subject matter.

In fact you'll have to learn a bit more if you're an immature. Participate in some humble exhibitions. Once you're accepted other photographers will either appreciate or criticize them. In the long end there are the critics who have the final say. They become critics after gaining a lot of experiences. They feel the various aspects of a given photo and declare its compete.

Very nice Photographs, you seem to travel a lot looking for the perfect shot, love the variation.

For a beginner these are amazing. I believe you are well ahead of your game. Keep up the good work.

If you will allow him then he will

Very competent standard of photography - exposure, focus all ok. You may want to look at composition a little more, you are tending to put the subject slap bang in the middle of the frame. Your subject matter in your photostream is primarily insects/flowers which is ok, but natural history shots are 'record' shots and not generally that creative. I like it where you have included more of the landscape in a shot.

Your contre-jour shot of the sunflower head is an excellent example of fill flash to balance the exposure.

If you're looking to 'improve', I'd suggest challenging yourself with new subjects, maybe shooting people (either posed or candids) or more landscapes.

Carry on the good work!