Red Eyes Metal Dragon from Yugioh

(Feel like this is some kind of dragon, but I could be wrong.  Really need to remember some of these for books.)

It sleeps in peace
While the day draws on
Harsh sunlight
Keeping it at bay
Until the shadows rule

A flattened head
Emerges from the wood
Bulbous eyes
Dilated to the rim
Start to hunt for prey

The Gurbu whimpers
Longing for warm flesh
The pungent stench
Wafting from the farms
That await the nightly kill

Greasy wings stretch
As the Gurbu takes flight
Silently gliding
To the treetop height
Heading for a herd

It passes overhead
Barbed tail dragged behind
The body shakes
And the tail strikes home
Impaling dinner for the night