Bootstrap Typeahead not seeing options

application.js

$(document).ready(function() {

...

    $('.typeahead').typeahead({
        source: ["dogs","dolphins"]
    });

...

bootstrap-typeahead.js

!function($){

  "use strict"; // jshint ;_;


 /* TYPEAHEAD PUBLIC CLASS DEFINITION
  * ================================= */

  var Typeahead = function (element, options) {
    console.log(options);
    this.$element = $(element)
    this.options = $.extend({}, $.fn.typeahead.defaults, options)
    this.matcher = this.options.matcher || this.matcher
    this.sorter = this.options.sorter || this.sorter
    this.highlighter = this.options.highlighter || this.highlighter
    this.updater = this.options.updater || this.updater
    this.$menu = $(this.options.menu).appendTo('body')
    this.source = this.options.source
    this.shown = false
    this.listen()
  }


...

Console Log

Object
provide: "typeahead"
typeahead: Typeahead
$element: jQuery.fn.jQuery.init[1]
$menu: jQuery.fn.jQuery.init[1]
highlighter: function (item) {
matcher: function (item) {
options: Object
shown: false
sorter: function (items) {
source: Array[0]
updater: function (item) {
__proto__: Object
__proto__: Object