diff --git a/mobs_bat/license.txt b/mobs_bat/license.txt
index b425965..93e2e68 100644
--- a/mobs_bat/license.txt
+++ b/mobs_bat/license.txt
@@ -41,7 +41,7 @@
 > TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 > SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-Further evidence of author's indent: by including a license file in each
+Further evidence of author's intent: by including a license file in each
 mod that doesn't mention any boundaries (other than CC licenses which
 have been retained here) in a public repository, the original author(s)
 indicate(s) that the code and media are publicly licensed, as opposed to
diff --git a/mobs_birds/License.txt b/mobs_birds/License.txt
index 119dfcc..8c44dfc 100644
--- a/mobs_birds/License.txt
+++ b/mobs_birds/License.txt
@@ -6,8 +6,10 @@
 * Media: CC BY-SA 3.0
   http://creativecommons.org/licenses/by-sa/3.0/de/legalcode
   * textures by poikilos (sapier's textures are no longer included)
-  * original model by sapier (animation, mesh, and UV layout changed by
-    poikilos)
+    * bird_bluish.png is based on a "Lovely Cotinga."
+  * original gull model by sapier (animation, mesh, and UV layout
+    changed by poikilos). Other bird models based on original gull:
+    * mobs_birds_thrush.b3d: mesh and animation modified by poikilos
 
 * Code:
   The distributor of the original mobs_sky modpack implicitly permits
@@ -18,7 +20,7 @@
   <https://github.com/blert2112/mobs_sky/pull/1>) the
   mobs_sky modpack.
 
-Further evidence of author's indent: by including a license file in each
+Further evidence of author's intent: by including a license file in each
 mod that doesn't mention any boundaries (other than CC licenses which
 have been retained here) in a public repository, the original author(s)
 indicate(s) that the code and media are publicly licensed, as opposed to
diff --git a/mobs_birds/README.md b/mobs_birds/README.md
new file mode 100644
index 0000000..141c1ca
--- /dev/null
+++ b/mobs_birds/README.md
@@ -0,0 +1,14 @@
+# mobs_birds
+(from blert2112's mobs_sky)
+
+This (poikilos) fork is a radical graphical overhaul, so no media (other
+than the model, which is modified) is included.
+
+## Authors & Licenses
+See license.txt.
+
+## Developer Notes
+* mobs_birds_thrush.b3d by poikilos: Some thrushes have a similar body
+  type to the "Lovely Cotinga," so I made the proportions an average of
+  several thrushes to work with exotic bird texture(s) while also making
+  the model more universal.
diff --git a/mobs_butterfly/License.txt b/mobs_butterfly/License.txt
index 91ea4bd..bc06b48 100644
--- a/mobs_butterfly/License.txt
+++ b/mobs_butterfly/License.txt
@@ -17,7 +17,7 @@
   <https://github.com/blert2112/mobs_sky/pull/1>) the
   mobs_sky modpack.
 
-Further evidence of author's indent: by including a license file in each
+Further evidence of author's intent: by including a license file in each
 mod that doesn't mention any boundaries (other than CC licenses which
 have been retained here) in a public repository, the original author(s)
 indicate(s) that the code and media are publicly licensed, as opposed to