Sorry for the delay, but I was redirecting some errant waterfowl migration.

Yes, it's true. As part of the DuckNet experiment, duck-machine hybrids were developed and implemented similar to Terminator technology. Among their key features were automatically actuating hydraulic leg extensions. Once the duck's ass touches water, the leg extensions automatically deploy - depths of up to 10 feet were accommodated with the Mk I system. The Mk II release increased the achievable depth to 25 feet, but problems with the abrupt changes in avian fluid capacity halted deployment. Essentially leg deployment occured so rapidly that it interfered with aural-audio communications (i.e.: no quacks were given/received). Leg retraction was also problematic under Mk II - it took so long that the units had to flap/splash for great lengths to facilitate leg retraction before take-off could be achieved.

Look for updated Mk III technology to be deployed in late March.

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Their beaks are also invincible.

Real duck fact: despite having wings, not all of those stupid birds can even get close to flight.