Strife means angry so it's bad it's negative connection. Weird means unusual so it's negative. Exhausting means making a person feel tired so it's negative. Caterwauling means a cat who yell which is annoying so it's negative. Begging means to ask someone for money gift etc so It's negative how the story said.
It depends on the information the artist wants to transmit. If the artist wants to show the graceful attributes and the motion of a bird, then Bird in Space would be most effective.
