Few nits (I hope that's ok?)

[AdriVanHoudt]

• Why not handle error more nicely on startup?
  If hapi returns an error there is no use in trying to continue to boot the server (in 99% of the cases) you will be uncertain of the state your server/hapi will be in.
  An easy suggestion is to just check for an error and throw if it is there.
  See

  hapijs-birds-api/src/server.js

  Line 12 in fbd10df

  if( !err ) {

  and

  hapijs-birds-api/src/server.js

  Line 38 in fbd10df

  if( err ) {

• Secondly I think it is cleaner to only call .start when you are sure that everything else (hapi wise) is set up. What I mean by that is simply put the start call in the callback of the register call :D
  See

  hapijs-birds-api/src/server.js

  Line 36 in fbd10df

  server.start( err => {

• Why not just reply err here https://github.com/labsvisual/hapijs-birds-api/blob/master/src/routes.js#L39 ? It will help figure out what is going wrong.