I find that the Mangrove Gerygone has a much more
uniform face than the Brown Gerygone which has quite a mottled whitish look
I gather that you're familiar with the call of
the Brown Gerygone - funny little mixture of squeeky notes. The best way to
locate the Mangrove Gerygone is often by its call which compares fairly well
to that of the White-throated Gerygone, though not as complex. It's a very
musical series of descending notes sometimes referred to as the "falling leaf"
call. You're almost certain to hear this charming chappie before you see
Hope that helps.
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