/// <summary>
        /// Get all bird nest activities for specified locale.
        /// </summary>
        /// <param name="locale">Locale.</param>
        /// <returns>All bird nest activities for specified locale.</returns>
        protected virtual SpeciesActivityList GetBirdNestActivities(ILocale locale)
        {
            SpeciesActivityList birdNestActivities = null;

            if (BirdNestActivities.ContainsKey(locale.ISOCode))
            {
                birdNestActivities = (SpeciesActivityList)(BirdNestActivities[locale.ISOCode]);
            }
            return(birdNestActivities);
        }
        /// <summary>
        /// Get all bird nest activities for specified locale.
        /// </summary>
        /// <param name="locale">Locale.</param>
        /// <returns>All bird nest activities for specified locale.</returns>
        protected override SpeciesActivityList GetBirdNestActivities(ILocale locale)
        {
            SpeciesActivityList birdNestActivities = null;

            lock (BirdNestActivities)
            {
                if (BirdNestActivities.ContainsKey(locale.ISOCode))
                {
                    birdNestActivities = (SpeciesActivityList)(BirdNestActivities[locale.ISOCode]);
                }
            }
            return(birdNestActivities);
        }