Polar bear at Hamburg

Male polar bear Blizzard drinking at Hagenbeck, Hamburg

Another great shot animal...

What gear are you using - there's no EXIF data attached to your pictures??

Photoshop killed the exifdata somehow.

Nikon D300s with the Nikkor 300mm 4,0
Other lenses I use: 70-200mm 2,8 Sigma, Nikkor 105mm 2,8 and Nikkor 50mm 1,4

Thanks Animal...

Seems a lot of photographers on this site use Nikon gear but I am a Canon man (currently 600DSLR) but still finding my feet with DSLR after using my little FUJI point and shoot for many years (a great little camera, good lens but only 2Mp and awful in low light conditions or with flash turned off). I still use it for enclosure shots though (as keeps the lens changing on the DSLR to a minimum).

Nikon and Canon are both equally good. But you have to decide what system you use, because lenses and stuff are expensive.
At work I use a Canon 5D Mark // and the 1DX, but my own gear is Nikon. I don't prefer one over the other.