There probably IS a reason; you probably just don't know it. The robin might be looking for food, or for shelter, for example.
It doesn't mean a thing. Not any more than a robin landing on a tree.
robin
you would need to worry only if it was a crow not a robin...
I assume you mean the bird?
It is said that Robin Loxley went with king Richards to fight in the third crusade but returned from service. This could mean that the third crusade went on for many years after robin came home and wrought havoc or he returned with king Richard, at which time the lionheart went off to lead another crusade and robin stayed, the facts aren't clear mate.
Do you possibly mean the 'sworn enemy' of Robin Hood? If you do then it was the much maligned Sheriff of Nottingham.
The name robin means bright fame in Greek.
The name Robin has no meaning in Hebrew. Only Hebrew names have meaning in Hebrew.
nothing
I do not know what does that mean
If you mean the nursery rhyme, Who Killed Cock Robin, it was created in 1744. If you mean the band, it was created in 1982, disbanded in 1990, and reformed in 2006.
The legend or key shows what the symbols mean