Variety
The status of songbirds worldwide provides another barometer for measuring unsettling ecological changes in “The Messenger.” Su Rynard’s feature, with its episodic overview of various interconnected issues around the globe, lacks the unifying emotional and narrative involvement of the best nature documentaries. But it’s an informative journey sure to appeal in particular to birdwatchers when Kino Lorber launches its U.S. theatrical release on Dec. 4. Tube sales should be hale in numerous territories.