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Registration Opening Dates

 Members (Nonmembers in parenthesis)

  • September Programs: July 7 (July 21)
  • October Programs: and Summer Camp August 7 (August 21)
  • November Programs:  September 7 (September 21)
  • December Programs: October 7 (October 21)

The schedule of events is subject to changed based on the status of the coronavirus response, weather, staffing, and other situations that may arise. If Calvert Nature Society or Calvert County Natural Resources Division cancels a program, a full refund will be issued. 

See our COVID policies and Cancellation and Refund Policies

Firefly Frenzy

  • 06/18/2022
  • 8:00 PM - 9:30 PM
  • Biscoe Gray Heritage Farm, Main Entrance
  • 0


  • Fee is per family

Registration is closed

Families  and Individuals, Ages 6+.  Adult supervision required

Let's give a warm, summer welcome to this flashy, flying friend.  Fireflies begin lighting up the night at this time of the year.  We will learn about their natural history and spend some time collecting and identifying the different species found in Calvert County.  Each participant should have their own flashlight. Wear sturdy shoes for walking over uneven terrain, plenty of insect repellent, and bring water to drink.  We will meet at the Main Entrance (not the Equestrian Entrance)

LocationBiscoe Gray Heritage Farm Main Entrance

Naturalist in Charge: Jessy Oberright

Reservations are required by Thursday, June 16, 2020

Advanced Reservations are required. No walk ins allowed

COVID Policies and Procedures 

The Calvert Nature Society has developed policies and procedures for public program operations based on state and CDC guidelines. 

Please consider the safety, health, and well-being of all participants in our programs and stay home if the participant is ill. Full refunds will be given for cancellations due to health concerns. 

Prior to participation in any Society sponsored program,  we will ask each individual, to if under 18 a parent, to complete a participant waiver.

Please download and complete the waiver prior to the program. You may complete it online and email to, or print it and bring to  the program. 

The waiver only needs to be completed for each program.

Please read our full policy statement and waiver.

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