Just to remind us that the use of animals to tow aircraft was not limited to the Luftwaffe.
Be it not for lack of fuel but more for practical reasons, the web has numerous pictures with (e.g.) elephants towing Allied a/c in India and Ceylon.
And for political reasons, the British pulled American-made airplanes across the US-Canadian border with horses to circumvent the American neutrality laws (see
https://www.history.nd.gov/publicati...neutrality.pdf)
Leendert