To clarify Nick's location description just a bit for those not familiar with the Lowell Ponds area, the "pond with a swim beach and heronry" is Lake Sangraco.
To view the island with the heronry you should approach up Lowell Blvd. from the south . There is room to pull completely off the boulevard on the east side.
Whether this is strictly legal depends upon where you are relative to the "no parking " signs.
The white ibis is sleeping among over 60 Snowy Egrets but can, with patience, be picked out (red bill and feet are a clue).
It is likely that it will return to Lowell Ponds tomorrow morning.
Doug Kibbe
Littleton