diff --git a/CHANGES.txt b/CHANGES.txt
index 78c1b34..d5ad330 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,11 @@
 Changes
 =======
 
+Unreleased
+----------
+
+- Added Spanish locale:  thanks to David Cerna for the translations!
+
 0.8  (2010/09/08)
 -----------------
 
diff --git a/colander/locale/es/LC_MESSAGES/colander.mo b/colander/locale/es/LC_MESSAGES/colander.mo
new file mode 100644
index 0000000..c390e01
Binary files /dev/null and b/colander/locale/es/LC_MESSAGES/colander.mo differ
diff --git a/colander/locale/es/LC_MESSAGES/colander.po b/colander/locale/es/LC_MESSAGES/colander.po
new file mode 100644
index 0000000..9f7e2d9
--- /dev/null
+++ b/colander/locale/es/LC_MESSAGES/colander.po
@@ -0,0 +1,129 @@
+# Translations template for colander.
+# Copyright (C) 2010 ORGANIZATION
+# This file is distributed under the same license as the colander project.
+# FIRST AUTHOR <EMAIL@ADDRESS>, 2010.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: colander 0.5.2\n"
+"Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
+"POT-Creation-Date: 2010-04-25 21:09-0400\n"
+"PO-Revision-Date: 2010-09-09 18:12-0500\n"
+"Last-Translator: Tres Seaver <tseaver@palladion.com>\n"
+"Language-Team: repoze developers <repoze-dev@lists.repoze.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 0.9.5\n"
+
+#: colander/__init__.py:177
+msgid "Invalid value"
+msgstr "Valor inválido"
+
+#: colander/__init__.py:202
+msgid "String does not match expected pattern"
+msgstr "La cadena no coincide con el patrón esperado"
+
+#: colander/__init__.py:217
+msgid "Invalid email address"
+msgstr "Dirección de correo electrónico inválida"
+
+#: colander/__init__.py:246
+msgid "${val} is less than minimum value ${min}"
+msgstr "${val} es menor que el valor mínimo ${min}"
+
+#: colander/__init__.py:247
+msgid "${val} is greater than maximum value ${max}"
+msgstr "${val} es mayor que el valor máximo ${max}"
+
+#: colander/__init__.py:279
+msgid "Shorter than minimum length ${min}"
+msgstr "Más corto que la longitud mínima ${min}"
+
+#: colander/__init__.py:285
+msgid "Longer than maximum length ${max}"
+msgstr "Más largo que la longitud máxima ${max}"
+
+#: colander/__init__.py:298
+msgid "\"${val}\" is not one of ${choices}"
+msgstr "\"${val}\" no está en ${choices}"
+
+#: colander/__init__.py:367
+msgid "\"${val}\" is not a mapping type: ${err}"
+msgstr "\"${val}\" no es un tipo de mapeo: ${err}"
+
+#: colander/__init__.py:394
+msgid "\"${val}\" is required but missing"
+msgstr "\"${val}\" es requerido pero falta"
+
+#: colander/__init__.py:411
+msgid "Unrecognized keys in mapping: \"${val}\""
+msgstr "Claves no reconocidas en el mapeo: \"${val}\""
+
+#: colander/__init__.py:461
+#: colander/__init__.py:539
+msgid "\"${val}\" is not iterable"
+msgstr "\"${val}\" no es iterable"
+
+#: colander/__init__.py:469
+msgid "\"${val}\" has an incorrect number of elements (expected ${exp}, was ${was})"
+msgstr "\"${val}\" tiene un número incorrecto de elementos (esperados ${exp}, obtenidos ${was})"
+
+#: colander/__init__.py:644
+msgid "${val} is not a string: %{err}"
+msgstr "${val}no es una cadena: %{err}"
+
+#: colander/__init__.py:648
+#: colander/__init__.py:680
+#: colander/__init__.py:710
+#: colander/__init__.py:751
+#: colander/__init__.py:996
+msgid "Required"
+msgstr "Requerido"
+
+#: colander/__init__.py:662
+msgid "\"${val} cannot be serialized to str: ${err}"
+msgstr "\"${val} no puede serializarse a str: ${err}"
+
+#: colander/__init__.py:683
+#: colander/__init__.py:692
+#: colander/__init__.py:713
+#: colander/__init__.py:722
+msgid "\"${val}\" is not a number"
+msgstr "\"${val}\" no es un número"
+
+#: colander/__init__.py:747
+msgid "${val} is not a string"
+msgstr "${val} no es una cadena"
+
+#: colander/__init__.py:808
+#: colander/__init__.py:825
+#: colander/__init__.py:835
+msgid "relative name \"${val}\" irresolveable without package"
+msgstr "nombre relativo \"${val}\" no se puede resolver sin paquete"
+
+#: colander/__init__.py:860
+msgid "\"${val}\" is not a string"
+msgstr "\"${val}\" no es una cadena"
+
+#: colander/__init__.py:868
+msgid "The dotted name \"${name}\" cannot be imported"
+msgstr "El nombre con puntos \"${name}\" no pudo importarse"
+
+#: colander/__init__.py:876
+msgid "\"${val}\" has no __name__"
+msgstr "\"${val}\" no tiene __name__"
+
+#: colander/__init__.py:918
+#: colander/__init__.py:982
+msgid "${val} cannot be parsed as an iso8601 date: ${err}"
+msgstr "${val} no puede parsearse como una fecha iso8601: ${err}"
+
+#: colander/__init__.py:929
+msgid "\"${val}\" is not a datetime object"
+msgstr "\"${val}\" no es un objeto datetime"
+
+#: colander/__init__.py:988
+msgid "\"${val}\" is not a date object"
+msgstr "\"${val}\" no es un objeto date"
+