diff --git a/src/AnalysisConfigFiles/RecognizerConfigFiles/Towsey.PhascolarctosCinereusMark3.yml b/src/AnalysisConfigFiles/RecognizerConfigFiles/Towsey.PhascolarctosCinereusMark3.yml
index 696e37c5e..d50a2b083 100644
--- a/src/AnalysisConfigFiles/RecognizerConfigFiles/Towsey.PhascolarctosCinereusMark3.yml
+++ b/src/AnalysisConfigFiles/RecognizerConfigFiles/Towsey.PhascolarctosCinereusMark3.yml
@@ -2,7 +2,6 @@
 
 # Male Koala: Phascolarctos cinereus version 3.
 # Resample rate must be 2 X the desired Nyquist
-#ResampleRate: 20480
 ResampleRate: 22050
 # SegmentDuration: units=seconds;    
 SegmentDuration: 60
@@ -26,9 +25,9 @@ Profiles:
         #Algorithm: MultiBin
         ComponentName: Oscillation 
         FrameSize: 256
-        FrameStep: 100
+        FrameStep: 110
         # min and max of the freq band to search
-        MinHertz: 200          
+        MinHertz: 170          
         MaxHertz: 800
         # Min and max durations for the length of a true event (seconds).
         MinDuration: 0.2
@@ -62,17 +61,19 @@ PostProcessing:
     CombineOverlappingEvents: false
 
     # 2: Combine possible syllable sequences
-#    SyllableSequence:
-#        SyllableStartDifference: 1.2
-#        SyllableHertzGap: 2400
-        # FilterSyllableSequence: true
+    SyllableSequence:
+        SyllableStartDifference: 3.5
+        SyllableHertzGap: 200
+        #FilterSyllableSequence: false
         # SyllableMaxCount: 3
         # ExpectedPeriod: 0.1
 
-# #     # 3: Remove events whose duration lies outside 3 SDs of an expected value.
-#    Duration:
-#        ExpectedDuration: 2.5
-#        DurationStandardDeviation: 0.6
+    # 3: Remove events whose duration lies outside 3 SDs of an expected value.
+    #    Koala calls can last for 90 seconds or more.
+    #    The following has the effect of removing events shorter than 3 seconds & longer than 93 sec.
+    Duration:
+        ExpectedDuration: 48.0
+        DurationStandardDeviation: 15.0
 
 #     # 4: Remove events whose bandwidth lies outside 3 SDs of an expected value.
 #  #   Bandwidth:
@@ -80,6 +81,7 @@ PostProcessing:
 #         BandwidthStandardDeviation: 40
 
 #     # 5: Filter the events for excess activity in their sidebands, i.e. upper and lower buffer zones
+#          THis will not work for koala calls.
 #     SidebandActivity:
 #         LowerHertzBuffer: 150
 #         UpperHertzBuffer: 400
diff --git a/tests/Acoustics.Test/AnalysisPrograms/Recognizers/KoalaMark3Tests.cs b/tests/Acoustics.Test/AnalysisPrograms/Recognizers/KoalaMark3Tests.cs
index 81bf67969..209936707 100644
--- a/tests/Acoustics.Test/AnalysisPrograms/Recognizers/KoalaMark3Tests.cs
+++ b/tests/Acoustics.Test/AnalysisPrograms/Recognizers/KoalaMark3Tests.cs
@@ -27,8 +27,7 @@ public class KoalaMark3Tests : OutputDirectoryTest
         /// <summary>
         /// The canonical recording used for this recognizer is #############################.
         /// </summary>
-        //private static readonly FileInfo TestAsset = PathHelper.ResolveAsset("Recordings", "koala.wav");
-        private static readonly FileInfo TestAsset = new FileInfo("C:\\Ecoacoustics\\WavFiles\\KoalaMale\\Jackaroo_20080715-103940.wav");
+        private static readonly FileInfo TestAsset = PathHelper.ResolveAsset("Recordings", "HoneymoonBay_StBees_20080905-001000.wav");
         private static readonly FileInfo ConfigFile = PathHelper.ResolveConfigFile("RecognizerConfigFiles", "Towsey.PhascolarctosCinereusMark3.yml");
         private static readonly PhascolarctosCinereusMark3 Recognizer = new PhascolarctosCinereusMark3();
 
@@ -63,22 +62,30 @@ public void TestKoala3Recognizer()
             this.SaveTestOutput(
                 outputDirectory => GenericRecognizer.SaveDebugSpectrogram(results, null, outputDirectory, Recognizer.SpeciesName));
 
-            Assert.AreEqual(8, events.Count);
+            Assert.AreEqual(3, events.Count);
             Assert.IsNull(scoreTrack);
             Assert.AreEqual(3, plots.Count);
-            Assert.AreEqual(5888, sonogram.FrameCount);
+            //Assert.AreEqual(5888, sonogram.FrameCount);
+            Assert.AreEqual(12025, sonogram.FrameCount);
 
-            Assert.IsInstanceOfType(events[0], typeof(OscillationEvent));
+            Assert.IsInstanceOfType(events[0], typeof(CompositeEvent));
 
-            var ev = (OscillationEvent)events[3];
-
-            Assert.AreEqual(10.7, ev.EventStartSeconds, 0.05);
-            Assert.AreEqual(11.5, ev.EventEndSeconds, 0.05);
-            Assert.AreEqual(200, ev.LowFrequencyHertz);
+            var ev = (CompositeEvent)events[1];
+            Assert.AreEqual(73.9, ev.EventStartSeconds, 0.05);
+            Assert.AreEqual(98.1, ev.EventEndSeconds, 0.05);
+            Assert.AreEqual(170, ev.LowFrequencyHertz);
             Assert.AreEqual(800, ev.HighFrequencyHertz);
-            Assert.AreEqual(0.62, ev.Score, 0.05);
-            Assert.AreEqual(0.03, ev.Periodicity, 0.005);
-            Assert.AreEqual(31.7, ev.OscillationRate, 0.1);
+
+            Assert.AreEqual(14, ev.ComponentEvents.Count);
+            var componentEv = ev.ComponentEvents[6];
+            Assert.IsInstanceOfType(componentEv, typeof(OscillationEvent));
+
+            Assert.AreEqual(0.71, componentEv.Score, 0.05);
+
+            var oscEv = (OscillationEvent)componentEv;
+            Assert.AreEqual(1.3, oscEv.EventDurationSeconds, 0.05);
+            Assert.AreEqual(0.0248, oscEv.Periodicity, 0.005);
+            Assert.AreEqual(40.24, oscEv.OscillationRate, 0.1);
         }
     }
 }
\ No newline at end of file
diff --git a/tests/Fixtures/Recordings/HoneymoonBay_StBees_20080905-001000.wav b/tests/Fixtures/Recordings/HoneymoonBay_StBees_20080905-001000.wav
new file mode 100644
index 000000000..d2ca301c5
--- /dev/null
+++ b/tests/Fixtures/Recordings/HoneymoonBay_StBees_20080905-001000.wav
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bda5ff2482c528b97786fedf8b003c56bbd1dfa60a8a3b78cfef6154573011d8
+size 5292046